1. Define skeletal equation.
2. In a chemical reaction between sulphuric acid & barium chloride solution the white precipitate formed are of :
a) Hydrochloric acid b) Barium chloride
c) Chlorine d) Sulphur
3. It is necessary to balance a chemical equation in order to satisfy the law of :
a) Conservation of motion
b) Conservation of momentum
c) Conservation of energy
d) Conservation of mass
4. Give the ratio in which hydrogen and oxygen are present in water by volume :
a) 1 : 2 b) 1 : 1 c) 2 : 1 d) 1 : 8
5. What happens when copper rod is dipped in iron sulphate solution:
a) Copper displaces iron
b) Blue colour of Copper sulphate solution is obtained.
c) No reaction rakes place.
d) Reaction is exothermic
PLEASE FAST AS POSSIBLE
Answers
Answered by
0
Answer:
1.skeletal equation uses chemical formula rather than words to identify reactants and product
2.b barium chloride
3.conservation of mass ,
4.c.2:1
5.a.
Similar questions