Science (Chemistry) Practice Questions / Answers:-
Question and answers for practice :-
1. Write an example of neutralization reaction.
2. Match column A with B :-
(i) Strong acid (a) Turmeric
(ii) Weak acid (b) NH4Cl
(iii) Antacid (c) Na2CO3
(iv) Strong base (d) Methyl orange
(v) Weak base (e) CH3COOH
(vi) Neutral salt (f) H2SO4
(vii) Acidic salt (g) NH4OH
(viii) Basic salt (h) Milk of magnesia
(ix) Natural indicator (i) NaOH
(x) Synthetic indicator (j) NaCl
3. Write the name of acid secreted from sting of ant.
4. Which salt is used in the following?
(i) To make drinking water free from germs.
(ii) For making tasty crispy ‘Pakoras’ in kitchen.
(iii) To remove permanent hardness of water.
Question and answers for practice :-
1. Write an example of neutralization reaction.
2. Match column A with B :-
(i) Strong acid (a) Turmeric
(ii) Weak acid (b) NH4Cl
(iii) Antacid (c) Na2CO3
(iv) Strong base (d) Methyl orange
(v) Weak base (e) CH3COOH
(vi) Neutral salt (f) H2SO4
(vii) Acidic salt (g) NH4OH
(viii) Basic salt (h) Milk of magnesia
(ix) Natural indicator (i) NaOH
(x) Synthetic indicator (j) NaCl
3. Write the name of acid secreted from sting of ant.
4. Which salt is used in the following?
(i) To make drinking water free from germs.
(ii) For making tasty crispy ‘Pakoras’ in kitchen.
(iii) To remove permanent hardness of water.
