Q:

Propyne and propene can be distinguished by

A) AgNO₃ in ammonia	B) conc. H₂SO₄
C) dil. KMnO₄	D) Br₂ in CCl₄

Answer & Explanation Answer: A) AgNO₃ in ammonia

Explanation:

Propene, being an alkene, and propyne, being a alkyne, are distinguished using the common chemical tests namely ammoniacal silver nitrate or ammoniacal cuprous chloride. Ammoniacal silver nitrate is also called as Tollen's reagent.

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Q:

What is the action of dry HCl gas on dry litmus paper?

A) Blue litmus paper turns white	B) Blue or red litmus paper does not change its colour
C) Blue litmus paper turns red	D) Red litmus paper turns blue

Answer & Explanation Answer: B) Blue or red litmus paper does not change its colour

Explanation:

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Q:

Which of the below options is called a laughing gas?

A) N2O	B) CO2
C) H2O	D) SO2

Answer & Explanation Answer: A) N2O

Explanation:

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Q:

Prostate in human body is a

A) Connective tissue	B) Gland
C) Membrane	D) Muscle

Answer & Explanation Answer: B) Gland

Explanation:

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Filed Under: Biology
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Q:

_____ is the cell organelle, in which the biochemical processes of respiration and energy production occur.

A) Mitochondria	B) Chloroplast
C) Ribosomes	D) Nucleus

Answer & Explanation Answer: A) Mitochondria

Explanation:

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Q:

The Hornbili festival is celebrated in

A) Arunachal Pradesh	B) Nagaland
C) Odisha	D) West Bengal

Answer & Explanation Answer: B) Nagaland

Explanation:

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Filed Under: Indian Culture
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Q:

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case noimprovement is needed, select "no improvement".

Opening the door to her each morning is like (lets) a breath of fresh air into my world.

A) let	B) to let
C) letting	D) no improvement

Answer & Explanation Answer: C) letting

Explanation:

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Q:

This tax is entirely borne by the entity it is levied upon and cannot be passed.

A) Direct tax	B) Indirect tax
C) Straight tax	D) Advance tax

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