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IMPORTANT
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Carbon dioxide turns blue litmus red. (wet/ moist/ humid)

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Important Questions on Chemical Reactions

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8th ICSE
IMPORTANT
New Trends in Chemistry Class 8>Chapter 6 - Chemical Reactions>Objective Questions>Q C
In a decomposition reaction, a compound breaks down into two or more simpler substances.
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8th ICSE
IMPORTANT
New Trends in Chemistry Class 8>Chapter 6 - Chemical Reactions>Objective Questions>Q C
In a displacement reaction, the less reactive element displaces a more reactive element.
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8th ICSE
IMPORTANT
New Trends in Chemistry Class 8>Chapter 6 - Chemical Reactions>Objective Questions>Q C
The reaction of an acid and a base is called a neutralization reaction because the properties of both acid and base are neutralized when they react.
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8th ICSE
IMPORTANT
New Trends in Chemistry Class 8>Chapter 6 - Chemical Reactions>Objective Questions>Q C
Precipitation reaction involve the formation of an insoluble product.
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8th ICSE
IMPORTANT
New Trends in Chemistry Class 8>Chapter 6 - Chemical Reactions>Objective Questions>Q C
Lead monoxide is known as red lead.
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8th ICSE
IMPORTANT
New Trends in Chemistry Class 8>Chapter 6 - Chemical Reactions>Objective Questions>Q E
What are precipitation reactions?
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8th ICSE
IMPORTANT
New Trends in Chemistry Class 8>Chapter 6 - Chemical Reactions>Objective Questions>Q E
Give equation to show the effect of heat on lead nitrate crystals.
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8th ICSE
IMPORTANT
New Trends in Chemistry Class 8>Chapter 6 - Chemical Reactions>Objective Questions>Q E
Give the differences between exothermic and endothermic reaction.