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Which of the following is not one of the necessary conditions for a chemical reaction to take place?

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Important Questions on Language of Chemistry

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7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 6 - Language of Chemistry>Check your Progress>Q 1
A chemical reaction in which energy is absorbed is known as the
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7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 6 - Language of Chemistry>Check your Progress>Q 2
Which of the following is not an exothermic reaction?
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7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 6 - Language of Chemistry>Check your Progress>Q 3
A chemical equation is a representation of a chemical change in terms of
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7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 6 - Language of Chemistry>EVALUATION>Q 1
The substances initially involved in a chemical reaction are
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7th ICSE
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FRANK NEW CERTIFICATE - Chemistry>Chapter 6 - Language of Chemistry>EVALUATION>Q 2
In an exothermic reaction, the temperature
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7th ICSE
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FRANK NEW CERTIFICATE - Chemistry>Chapter 6 - Language of Chemistry>EVALUATION>Q 3
During a chemical reaction, the arrow pointing upwards shows the
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7th ICSE
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FRANK NEW CERTIFICATE - Chemistry>Chapter 6 - Language of Chemistry>EVALUATION>Q 4
Which of the following is not a characteristic of a chemical reaction?
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7th ICSE
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FRANK NEW CERTIFICATE - Chemistry>Chapter 6 - Language of Chemistry>EVALUATION>Q 5
The formation of gas bubbles with a sound in a solution is called