Chemical Reactions and Equation-Types of Chemical Reactions (CBSE (Central Board of Secondary Education- Board Exam) Class-10 Science): Questions 27 - 36 of 50

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Question number: 27

» Chemical Reactions and Equation » Types of Chemical Reactions » Displacement Reaction

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Which type of chemical reaction occurs when Barium hydroxide and Ammonium chloride, are mixed together whether heat is released or absorbed?

Question number: 28

» Chemical Reactions and Equation » Types of Chemical Reactions » Decomposition Reaction

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Which is the reaction which forms insoluble salts?

Question number: 29

» Chemical Reactions and Equation » Types of Chemical Reactions » Combination Reaction

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What is the concept of white washing of the walls?

Question number: 30

» Chemical Reactions and Equation » Types of Chemical Reactions » Decomposition Reaction

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What is respiration in human beings?

Question number: 31

» Chemical Reactions and Equation » Chemical Equations » Writing a Chemical Equation

» Chemical Reactions and Equation » Types of Chemical Reactions » Combination Reaction

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Explain why the marble statues often get corroded slowly when kept in open for a long time?

Question number: 32

» Chemical Reactions and Equation » Types of Chemical Reactions » Combination Reaction

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Name the key ingredient required in the manufacturing of cement?

Question number: 33

» Chemical Reactions and Equation » Types of Chemical Reactions » Decomposition Reaction

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Write down the reaction for decomposition of ferrous sulphate?

Question number: 34

» Chemical Reactions and Equation » Types of Chemical Reactions » Double Displacement Reaction

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What is double displacement reaction?

Question number: 35

» Chemical Reactions and Equation » Types of Chemical Reactions » Oxidation and Reduction

MCQ▾

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A chemical species which can lose electrons to some other species is called as:

Choices

Choice (4) Response

a.

Oxidising agent

b.

Thermite reaction

c.

Reducing agent

d.

Question does not provide sufficient data or is vague

Question number: 36

» Chemical Reactions and Equation » Types of Chemical Reactions » Combination Reaction

MCQ▾

Question

A reaction in which two or more substances combine together to form a new substance is called as:

Choices

Choice (4) Response

a.

Synthesis reaction

b.

Combination reaction

c.

Combustion reaction

d.

Question does not provide sufficient data or is vague

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