Chemistry, asked by viripatel123, 10 months ago

1 . Burning of coal is a type of Heaction

2.The chemical Reaction which produces heat is known as ----

a) Endothermic chemical reaction

b) Exothermic chemical reaction

c) Decomposition Reaction
d) Neutralisation reaction

3.Which One is the correct formula of “ Ammonium chloride”

4.We apply paint on iron articles because of-

a) Good looks
b) Prevention from sunlight
c) Prevention from
rusting

5.“Number of electrons present in the last shell. ” is known as
a) Atomic No.
b) Atomic Mass
c) Valency
d) Valence electrons​​

Answers

Answered by kumarkapil2864
0

Explanation:

1) combination reaction..

2) a) exothermic reaction..

3) NH4CL

4) c) prevent from rusting..

5) d) valance electrons..

mark me as BRAINLEAST.........

Answered by yash3374
1

Answer:

Heyy mates.

Here is your answer

Explanation:

1) combination reaction..

2) a) exothermic reaction..

3) NH4CL

4) c) prevent from rusting..

5) d) valance electrons..

I hope this answer help you

please mark be brainliest.

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