Half-life period for a first order reaction is __________ the initial concentration of the reactant.

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Question: Half-life period for a first order reaction is __________ the initial concentration of the reactant.
[A].

directly proportional to

[B].

inversely proportional to

[C].

independent of

[D].

none of these

Answer: Option C

Explanation:

No answer description available for this question.

Half life period of a chemical reaction is

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Question: Half life period of a chemical reaction is
[A].

the time required to reduce the concentration of the reacting substance to half its initial value.

[B].

half of the space time of a reaction.

[C].

half of the residence time of a reaction.

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Concentration of the limiting reactant (with initial concentration of a moles/litre) after time t is (a-x). Then ‘t’ for a first order reaction is given by

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Question: Concentration of the limiting reactant (with initial concentration of a moles/litre) after time t is (a-x). Then ‘t’ for a first order reaction is given by
[A].

[B].

[C].

[D].

Answer: Option A

Explanation:

No answer description available for this question.

Male lions protect their cubs

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Question: Male lions protect their cubs
[A].

from the members of their own species

[B].

from hyenas only

[C].

from hyenas as much as from other enemies

[D].

more from hyenas than from other animals

Answer: Option D

Explanation:

No answer description available for this question.

Nylon 66 is so named because the

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Question: Nylon 66 is so named because the
[A].

average degree of polymerisation of the polymer is 1966.

[B].

number of carbon atoms between two nitrogen atoms are 6.

[C].

number of nitrogen atoms between two carbon atoms are 6

[D].

polymer was first synthesised in 1966.

Answer: Option A

Explanation:

No answer description available for this question.