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Chemical Reaction And Equation


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10 Questions MCQ Test Gk all subject | Chemical Reaction And Equation

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Chemical Reaction And Equation - Question 1

Reaction in which two or substance combine together to form single compound is called

Chemical Reaction And Equation - Question 2

What type of reaction occurs in the digestion of food in our body 

Detailed Solution for Chemical Reaction And Equation - Question 2

Digestion of food in our body is a decomposition reaction.

Decomposition reaction is a type of chemical reaction in which single compound splits into two or more simple substances.

In digestion of food carbohdratess, proteins, fats dcomposes to simple substaces that provide energy to do work.

Chemical Reaction And Equation - Question 3

Name the reaction when two reactant molecules exchange their partner ion 

Chemical Reaction And Equation - Question 4

The chemical formula of lead sulphate is

Chemical Reaction And Equation - Question 5

What is the reaction in which one substance is oxidised and other is reduced called ?

Chemical Reaction And Equation - Question 6

Arrange iron zinc and copper in their increasing reactivity 

 

Chemical Reaction And Equation - Question 7

Two effects of corrosion are

Detailed Solution for Chemical Reaction And Equation - Question 7

When the metal is attack by moisture oxygen etc then it get corrode and rust and are called corrosion on the other hand when the food or oil is oxidised and become rancid and taste and smeel also change then are called rancidity.

Chemical Reaction And Equation - Question 8

Corrosion can be prevented by

Chemical Reaction And Equation - Question 9

Give the value of x,y,and z for the equation 

xHCl +O2________yH2O +zCl2

Chemical Reaction And Equation - Question 10

Symbol used for aqueous solution is

Detailed Solution for Chemical Reaction And Equation - Question 10

An aqueous solution is a solution in which the solvent is water. It is mostly shown in chemical equations by appending (aq) to the relevant chemical formula.

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