Chemical Reaction And Equation


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


Description
This mock test of Chemical Reaction And Equation for Class 10 helps you for every Class 10 entrance exam. This contains 10 Multiple Choice Questions for Class 10 Chemical Reaction And Equation (mcq) to study with solutions a complete question bank. The solved questions answers in this Chemical Reaction And Equation quiz give you a good mix of easy questions and tough questions. Class 10 students definitely take this Chemical Reaction And Equation exercise for a better result in the exam. You can find other Chemical Reaction And Equation extra questions, long questions & short questions for Class 10 on EduRev as well by searching above.
QUESTION: 1

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

Solution:
QUESTION: 2

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

Solution:

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.

QUESTION: 3

Name the reaction when two reactant molecules exchange their partner ion 

Solution:
QUESTION: 4

The chemical formula of lead sulphate is

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QUESTION: 5

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

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QUESTION: 6

Arrange iron zinc and copper in their increasing reactivity 

 

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QUESTION: 7

Two effects of corrosion is 

Solution:

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.

QUESTION: 8

Corrosion can be prevented by

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QUESTION: 9

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

xHCl +O2________yH2O +zCl2

Solution:
QUESTION: 10

Symbol used for aqueous solution is

Solution:

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.