General Chemistry Trivia Quiz! Test
Chemistry is fundamental because it helps us to know the composition, structure, and changes of matter. All of the matters are made up of chemistry. It is the branch of science that operates the identification of elements of which matter is created, the investigation of their properties, and how they work together, combine and change. Take this quiz and see how much you know about chemistry.
- 1.A heavy crystalline solid on heating decrepitates to form a residue that is reddish-brown when hot and yellow when cold. It gives off a brown gas along with oxygen.
- A.
Red lead
- B.
Lead(IV)oxide
- C.
Lead nitrate
- D.
Ammonium dichromate
- 2.A red solid on heating gives off oxygen. The silvery droplet is seen on the cooler parts of the test tube.
- A.
Mercury(II)oxide
- B.
Ammonium chloride
- C.
Ammonium dichromate
- D.
Lead(IV)oxide
- 3.A chocolate brown solid on heating gives off colorless and odorless gas which rekindles a glowing wooden splinter. The residue is reddish-brown when hot and yellow when cold.
- A.
Lead nitrate
- B.
Lead(IV)oxide
- C.
Mercury(II)oxide
- D.
Ammonium nitrate
- 4.A white crystalline solid decomposes on explosively on heating and leaves behind no residue. One of the gaseous product formed is neither combustible nor does it supports combustion or turns limewater milky.
- A.
Ammonium chloride
- B.
Ammonium nitrate
- C.
Ammonium nitrite
- D.
Sodium nitrate
- 5.A white crystalline solid sublime on heating to form dense white fumes. The fumes solidify on the cooler parts of the test tube to form the original solid.
- A.
Ammonium dichromate
- B.
Ammonium chloride
- C.
Sodium carbonate
- D.
Copper carbonate
- 6.An orange-colored crystalline solid on heating leaves behind a greenish mass. It swells and gives off nitrogen and steam.
- A.
Ammonium dichromate
- B.
Lead nitrate
- C.
Trilead tetra oxide
- D.
Copper nitrate
- 7.A solid which is yellow when hot and white when cold
- A.
Mercury(II)oxide
- B.
Zinc oxide
- C.
Lead(IV)oxide
- D.
Sodium nitrate
- 8.A white crystalline solid melts on heating. It gives off a colorless gas that rekindles the glowing splinter. The paste of solid in HCl gives a golden-yellow flame, when held in a non-luminous flame.
- A.
Potassium nitrate
- B.
Sodium nitrate
- C.
Calcium nitrate
- D.
Copper nitrate
- 9.A light green solid on heating gives off a black residue and gives off a colorless gas which turns lime water milky.
- A.
Iron(II)sulphate
- B.
Copper (II)carbonate
- C.
Lead carbonate
- D.
Ammonium dichromate
- 10.A white crystalline solid decomposes explosively on heating and leaves behind no residue. One of the gaseous products formed is a supporter of combustion.
- A.
Ammonium nitrate
- B.
Ammonium nitrite
- C.
Ammonium chloride
- D.
Sodium nitrate
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