SMART TEST SERIES
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Subject Name: Chemistry 12
I) Tick the correct option: (All questions / options - ) 0 Marks
1) The element whose inorganic minerals are not much abundant in earth crust:
a) Li b) N c) Na d) O
Correct Answer
N
2) Ordinary glass is:
a) magnesium silicate b) sodium silicate c) calcium cilicate d) Ca and Na silicate
Correct Answer
calcium cilicate
3) Which element is not present abundantly in the earth's crust?
a) silicon b) aluminium c) sodium d) oxygen
Correct Answer
sodium
4) The conversion of n-hexant into benzene by heating in the presence of Pt is called:
a) isomerism b) aromatization c) dealkylation d) rearrangement
Correct Answer
aromatization
5) Hydrogenolysis of an alkyl halide takes place in the presence of catalyst:
d) None
a) b) c)
Correct Answer
6) Which is a typical transition metal complexes is due to:
a) d-d- transition of electron b) Ionization c) Loss of s-electrons d) None of these
Correct Answer
d-d- transition of electron
7) Newspaper can be recycled again and again for how many times?
a) 2 b) 3 c) 4 d) 5
Correct Answer
4
8) Reaction of with ethyl magnesium bromide, followed by acid hydrolysis produce:
a) propane b) propanoic acid c) propanal d) propanol
Correct Answer
propanoic acid
9) Methyl alcohol is used as:
a) a drink b) an anti-freezing agent c) a substitute for petrol d) a preservative for biological sepcimens
Correct Answer
an anti-freezing agent
10) The hottest zone in the rotary kiln is:
a) drying b) pre-heating c) burning d) decomposition
Correct Answer
burning
11) Coinage metals are present in the periodic table in group:
a) I-A b) I-B c) II-A d) II-B
Correct Answer
I-B
12) Alcohol obtained by fermentation never exceeds:
a) 10% b) 16% c) 14% d) 95%
Correct Answer
16%
13) In Nelson's cell for the production of NaOH cathode is made up of:
a) Mercury b) Graphite c) Iron d) Steel
Correct Answer
Steel
14) The structure of quartz, mica and asbestos have the same common basic unit of:
a) b) c) d)
Correct Answer
,Correct Answer
18) The common name of 2-Methyl 2 chloropropane is:
a) iso. Butyl chloride b) sec. butyl chloride c) ter. Butyl chloride d) n-butyl chloride
Correct Answer
ter. Butyl chloride
19) Which of the following is the most strongest acid in solution?
a) HF b) HCl c) HBr d) HI
Correct Answer
HI
20) Tertiary alcohols are obtained by treating grignard reagent with _____ followed by:
a) aldehydes b) ketones c) water d) chloramine
Correct Answer
ketones
21) The ozone layer is:
a) 25 - 28 km high b) 20 - 25 km high c) 25 - 30 km high d) 35 - 40 km high
Correct Answer
25 - 28 km high
22) Which of the following acid can be used as a catalyst in friedel-crafts reaction:
a) b) c) d)
Correct Answer
23) Acetic acid was first isolated from:
a) butter b) vineger c) milk d) red ant
Correct Answer
vineger
24) The hydride of is:
a) b) c) d)
Correct Answer
25) During nitration of benzene, the active nitrating agent is:
a) c) d) None
b)
Correct Answer
26) Which type of reactions are given by alkanes?
a) polymerization b) elimination c) substitution d) addition
Correct Answer
substitution
27) Hyderogen bond is the shortest between the molecules of:
a) HCl b) HF c) Xe d) HI
Correct Answer
HF
28) Dolomite is an ore of:
a) Strontium b) Magnesium c) Barium d) Potassium
Correct Answer
Magnesium
29) Ethyl chloride reacts with alcoholic KOH to give:
a) b) c) d)
Correct Answer
30) The three elements needed for the healthy frowth of plants are:
a) N,S,P b) N,Ca,P c) N,P,K d) N,K,C
Correct Answer
N,P,K
31) reaction can be best carried out with:
a) Primary alkyl halides b) secondary alkyl halides c) tertiary alkyl halides d) All of these
Correct Answer
Primary alkyl halides
32) A single chloride free radical can destroy how many ozone molecules:
a) 100 b) 100000 c) 10000 d) 10
Correct Answer
100000
33) Elements of the periodic table are classified into blocks:
, a) It is electropositive b) It can lose one electron c) It accepts an electron d) It forms acidic oxides
Correct Answer
It accepts an electron
37) Point out the ore of potassium:
a) Dolomite b) Cryolite c) Bauxite d) Carnallite
Correct Answer
Carnallite
38) Which compound is called a universal solvent:
a) b) c) d) None of these
Correct Answer
39) The compound used in the processing of anti polio vaccine is:
a) acetaldehyde b) formaldehyde c) Benzaldehyde acetone d) ethyl bromide
Correct Answer
formaldehyde
40) Which compounds will not give iodoform test on treatment with
a) acetaldehyde b) acetone c) butanone d) 3-pentanone
Correct Answer
3-pentanone
41) Which statement is incorrect?
a) All the metals are good conductors of b) All the metals are good conductor c) All the metals from d) All the metals from acidic
electricity of heat positive ions oxides
Correct Answer
All the metals from acidic oxides
42) The boiling point range of petroleum ether is:
a) b) c) d)
Correct Answer
43) Which can produce Ketone:
a) Sec. Alcohol b) Calcium Acetate c) Propyne d) All of these
Correct Answer
All of these
44) reactions are easily given by:
a) primary alkyl halide b) secondary alkyl halide c) tertiary alkyle halide d) None of these
Correct Answer
tertiary alkyle halide
45) Which catalyst is used in contact process for manufacture of :
a) b) c) d)
Correct Answer
46) The normal amount of overhead ozone is about:
a) 250 DU b) 350 DU c) 200 DU d) 150 DU
Correct Answer
350 DU
47) Which of the following compounds may exist as cis-trans isomers?
a) 1-butene b) 2-butene c) 2-butyne d) None
Correct Answer
2-butene
48) By convention a peptide having molecular mass upto 10,000 is called:
a) peptide b) polypeptide c) protein d) dipeptide
Correct Answer
polypeptide
49) Metamerism is shown by:
a) Ethers b) Amines c) Both of them d) None of them
Correct Answer
Both of them
50) Most powerful oxidizing agent:
a) b) c) d)
Correct Answer
51) Which metal is used in the thermite process because of its activity:
a) iron b) copper c) aluminium d) zinc
Correct Answer
www.notespk.com
Subject Name: Chemistry 12
I) Tick the correct option: (All questions / options - ) 0 Marks
1) The element whose inorganic minerals are not much abundant in earth crust:
a) Li b) N c) Na d) O
Correct Answer
N
2) Ordinary glass is:
a) magnesium silicate b) sodium silicate c) calcium cilicate d) Ca and Na silicate
Correct Answer
calcium cilicate
3) Which element is not present abundantly in the earth's crust?
a) silicon b) aluminium c) sodium d) oxygen
Correct Answer
sodium
4) The conversion of n-hexant into benzene by heating in the presence of Pt is called:
a) isomerism b) aromatization c) dealkylation d) rearrangement
Correct Answer
aromatization
5) Hydrogenolysis of an alkyl halide takes place in the presence of catalyst:
d) None
a) b) c)
Correct Answer
6) Which is a typical transition metal complexes is due to:
a) d-d- transition of electron b) Ionization c) Loss of s-electrons d) None of these
Correct Answer
d-d- transition of electron
7) Newspaper can be recycled again and again for how many times?
a) 2 b) 3 c) 4 d) 5
Correct Answer
4
8) Reaction of with ethyl magnesium bromide, followed by acid hydrolysis produce:
a) propane b) propanoic acid c) propanal d) propanol
Correct Answer
propanoic acid
9) Methyl alcohol is used as:
a) a drink b) an anti-freezing agent c) a substitute for petrol d) a preservative for biological sepcimens
Correct Answer
an anti-freezing agent
10) The hottest zone in the rotary kiln is:
a) drying b) pre-heating c) burning d) decomposition
Correct Answer
burning
11) Coinage metals are present in the periodic table in group:
a) I-A b) I-B c) II-A d) II-B
Correct Answer
I-B
12) Alcohol obtained by fermentation never exceeds:
a) 10% b) 16% c) 14% d) 95%
Correct Answer
16%
13) In Nelson's cell for the production of NaOH cathode is made up of:
a) Mercury b) Graphite c) Iron d) Steel
Correct Answer
Steel
14) The structure of quartz, mica and asbestos have the same common basic unit of:
a) b) c) d)
Correct Answer
,Correct Answer
18) The common name of 2-Methyl 2 chloropropane is:
a) iso. Butyl chloride b) sec. butyl chloride c) ter. Butyl chloride d) n-butyl chloride
Correct Answer
ter. Butyl chloride
19) Which of the following is the most strongest acid in solution?
a) HF b) HCl c) HBr d) HI
Correct Answer
HI
20) Tertiary alcohols are obtained by treating grignard reagent with _____ followed by:
a) aldehydes b) ketones c) water d) chloramine
Correct Answer
ketones
21) The ozone layer is:
a) 25 - 28 km high b) 20 - 25 km high c) 25 - 30 km high d) 35 - 40 km high
Correct Answer
25 - 28 km high
22) Which of the following acid can be used as a catalyst in friedel-crafts reaction:
a) b) c) d)
Correct Answer
23) Acetic acid was first isolated from:
a) butter b) vineger c) milk d) red ant
Correct Answer
vineger
24) The hydride of is:
a) b) c) d)
Correct Answer
25) During nitration of benzene, the active nitrating agent is:
a) c) d) None
b)
Correct Answer
26) Which type of reactions are given by alkanes?
a) polymerization b) elimination c) substitution d) addition
Correct Answer
substitution
27) Hyderogen bond is the shortest between the molecules of:
a) HCl b) HF c) Xe d) HI
Correct Answer
HF
28) Dolomite is an ore of:
a) Strontium b) Magnesium c) Barium d) Potassium
Correct Answer
Magnesium
29) Ethyl chloride reacts with alcoholic KOH to give:
a) b) c) d)
Correct Answer
30) The three elements needed for the healthy frowth of plants are:
a) N,S,P b) N,Ca,P c) N,P,K d) N,K,C
Correct Answer
N,P,K
31) reaction can be best carried out with:
a) Primary alkyl halides b) secondary alkyl halides c) tertiary alkyl halides d) All of these
Correct Answer
Primary alkyl halides
32) A single chloride free radical can destroy how many ozone molecules:
a) 100 b) 100000 c) 10000 d) 10
Correct Answer
100000
33) Elements of the periodic table are classified into blocks:
, a) It is electropositive b) It can lose one electron c) It accepts an electron d) It forms acidic oxides
Correct Answer
It accepts an electron
37) Point out the ore of potassium:
a) Dolomite b) Cryolite c) Bauxite d) Carnallite
Correct Answer
Carnallite
38) Which compound is called a universal solvent:
a) b) c) d) None of these
Correct Answer
39) The compound used in the processing of anti polio vaccine is:
a) acetaldehyde b) formaldehyde c) Benzaldehyde acetone d) ethyl bromide
Correct Answer
formaldehyde
40) Which compounds will not give iodoform test on treatment with
a) acetaldehyde b) acetone c) butanone d) 3-pentanone
Correct Answer
3-pentanone
41) Which statement is incorrect?
a) All the metals are good conductors of b) All the metals are good conductor c) All the metals from d) All the metals from acidic
electricity of heat positive ions oxides
Correct Answer
All the metals from acidic oxides
42) The boiling point range of petroleum ether is:
a) b) c) d)
Correct Answer
43) Which can produce Ketone:
a) Sec. Alcohol b) Calcium Acetate c) Propyne d) All of these
Correct Answer
All of these
44) reactions are easily given by:
a) primary alkyl halide b) secondary alkyl halide c) tertiary alkyle halide d) None of these
Correct Answer
tertiary alkyle halide
45) Which catalyst is used in contact process for manufacture of :
a) b) c) d)
Correct Answer
46) The normal amount of overhead ozone is about:
a) 250 DU b) 350 DU c) 200 DU d) 150 DU
Correct Answer
350 DU
47) Which of the following compounds may exist as cis-trans isomers?
a) 1-butene b) 2-butene c) 2-butyne d) None
Correct Answer
2-butene
48) By convention a peptide having molecular mass upto 10,000 is called:
a) peptide b) polypeptide c) protein d) dipeptide
Correct Answer
polypeptide
49) Metamerism is shown by:
a) Ethers b) Amines c) Both of them d) None of them
Correct Answer
Both of them
50) Most powerful oxidizing agent:
a) b) c) d)
Correct Answer
51) Which metal is used in the thermite process because of its activity:
a) iron b) copper c) aluminium d) zinc
Correct Answer
