Test 1 chemistry exam with questions and answers (100% solved)
10 -6 L - ✔✔✔-1 uL =?
10 3 g - ✔✔✔-1 kg =?
10 6 J - ✔✔✔-1 MJ =?
10-9 m - ✔✔✔-1 nm =?
Aluminium - ✔✔✔-Al
Argon - ✔✔✔-Ar
Arsenic - ✔✔✔-As
baking soda- pure
muffin- mix
ice- pure
zinc- pure
scuba tank- mix - ✔✔✔-Classify each of the following as a pure substance or a mixture:
baking soda (NaHCO3)
a blueberry muffin
ice (H2O)
zinc (Zn)
Trimix, oxygen, nitrogen, and helium, in a scuba tank
, Test 1 chemistry exam with questions and answers (100% solved)
Beryllium - ✔✔✔-Be
Boron - ✔✔✔-B
Bromine - ✔✔✔-Br
Calcium - ✔✔✔-Ca
Carbon - ✔✔✔-C
centi 10-2 - ✔✔✔-c
Chlorine - ✔✔✔-Cl
Chromium - ✔✔✔-Cr
Cobalt - ✔✔✔-Co
compound - ✔✔✔-Classify each of the following as an element, compound, homogeneous
mixture, or heterogeneous mixture.
vitamin D
compound - ✔✔✔-Classify each of the following as an element, compound, homogeneous
mixture, or heterogeneous mixture.
Pure water
Copper - ✔✔✔-Cu
10 -6 L - ✔✔✔-1 uL =?
10 3 g - ✔✔✔-1 kg =?
10 6 J - ✔✔✔-1 MJ =?
10-9 m - ✔✔✔-1 nm =?
Aluminium - ✔✔✔-Al
Argon - ✔✔✔-Ar
Arsenic - ✔✔✔-As
baking soda- pure
muffin- mix
ice- pure
zinc- pure
scuba tank- mix - ✔✔✔-Classify each of the following as a pure substance or a mixture:
baking soda (NaHCO3)
a blueberry muffin
ice (H2O)
zinc (Zn)
Trimix, oxygen, nitrogen, and helium, in a scuba tank
, Test 1 chemistry exam with questions and answers (100% solved)
Beryllium - ✔✔✔-Be
Boron - ✔✔✔-B
Bromine - ✔✔✔-Br
Calcium - ✔✔✔-Ca
Carbon - ✔✔✔-C
centi 10-2 - ✔✔✔-c
Chlorine - ✔✔✔-Cl
Chromium - ✔✔✔-Cr
Cobalt - ✔✔✔-Co
compound - ✔✔✔-Classify each of the following as an element, compound, homogeneous
mixture, or heterogeneous mixture.
vitamin D
compound - ✔✔✔-Classify each of the following as an element, compound, homogeneous
mixture, or heterogeneous mixture.
Pure water
Copper - ✔✔✔-Cu
