Question

pls help me out....
(class 10th)

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Answer 1

answer B

A combination reaction is a reaction where two reactants are combined into one product. A combination reaction is also known as a synthesis reaction. The reaction has the following general form:

example

c+o2=CO2

Fe+s=fes

C

forming of curd

rotting of vegetable

D

temperature

Answer 2

Explanation:

A)

(1)ZnO

(2)MgO

(3)AlCl3

(4)Al2O3

(5)ZnCl

B)

2 reactants combine together to form a single product.It is called combination.

Eg:- H2O

C)

Some of the observable example of the chemical reaction in everyday life. I respiration or Barik in photosynthesis resting and burning look at the things around you nearly all of them are made up of some sport of substance which are future classified to in element, mixture and alloy.

D)

(1) change in temperature

(2) change in state

(3) change in colour

(4)gas evolved