Question

Experts plz answer all of these 1 mark questions plz

Answer 1

Answer:

1 =sodium carbonate

2=the reaction which release heat &energy are called exothermic reaction.

3=Combination.

Decomposition.

Single displacement.

Double displacement.

4=the reaction which combines two or more elements are called combination reaction

5=2Ca + O2 → 2CaO Formation of ammonia by the combination of elements nitrogen and hydrogen. N2 + 3H2 → 2NH3 Reaction of calcium oxide in water to form calcium hydroxide CaO + H2O → Ca(OH)2

6=when more reactive elements displaces less reactive elements are called displacement reaction

Answer 2

Answer:

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