Question

Name the following:
a) The gas which reacts with oxygen to give a neutral liquid.
The black residue obtained on heating copper carbonate.
c) The gas evolved when a dilute acid is added to chalk.
d) The colour of the copper hydroxide precipate.
e) Two solids which reacts to form a liquid substance.
f) A catalyst which decreases the rate of reaction
g) A reaction which takes place in presence of a catalyst
h) Reaction of nitrogen and oxygen to give nitric acid.
i) Reaction of hydrogen and chlorine to give hydrogen chloride.​

Answer 1

Answer:

1. Nitrogen gas.
2. Copper oxide.
3. Carbon dioxide.
4. Blue.
5. Sodium, Potassium.
6. Negative catalyst.
7. Chemical reaction.
8. Exothermic reaction.
9. Combination reaction.