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Chemical Reactions And Equations


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10 Questions MCQ Test | Chemical Reactions And Equations

Chemical Reactions And Equations for Class 10 2022 is part of Class 10 preparation. The Chemical Reactions And Equations questions and answers have been prepared according to the Class 10 exam syllabus.The Chemical Reactions And Equations MCQs are made for Class 10 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Chemical Reactions And Equations below.
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Chemical Reactions And Equations - Question 1

Before burning in air, the magnesium ribbon is cleaned by rubbing with a sand paper to:

Chemical Reactions And Equations - Question 2

 In a chemical reaction between sulphuric acid and barium chloride solution the white precipitates formed are of:

Chemical Reactions And Equations - Question 3

The respiration process during which glucose undergoes slow combustion by combining with oxygen in the cells of our body to produce energy, is a kind of:

*Multiple options can be correct
Chemical Reactions And Equations - Question 4

Identify the chemical change.

Chemical Reactions And Equations - Question 5

It is necessary to balance a chemical equation in order to satisfy the law of:

Chemical Reactions And Equations - Question 6

Rusting of iron involves a chemical reaction which is a combination of:

Chemical Reactions And Equations - Question 7

The displacement reaction between iron (III) oxide and a metal X is used for welding the rail tracks. Here X is:

Chemical Reactions And Equations - Question 8

The chemical reaction between Hydrogen sulphide and iodine to give Hydrogen iodide and sulphur is given below:
 
The reducing and oxidizing agents involved in this redox reaction are:

*Multiple options can be correct
Chemical Reactions And Equations - Question 9

Three beakers labelled as A, B and C each containing 25 ml of water were taken. A small amount of NaOH, anhydrous CuSO4 and NaCl were added to the beakers A, B and C respectively. It was observed that there was an increase in the temperature of the solution contained in beakers A and B, whereas in case of beaker C, the temperature of the solution falls. Which one of the following statement(s) is (are) correct?

Chemical Reactions And Equations - Question 10

A substance ‘X’ is used in white-washing and is obtained by heating limestone in the absence of air. Identify ‘X’.

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