Science, asked by camsuren2003p6nphv, 9 months ago

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
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Answers

Answered by sweety96088sweety
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.

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