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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Filed Under: Chemistry
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Q:

Nepal does not share its border with which Indian state?

A) Uttarakhand	B) Haryana
C) West Bengal	D) Sikkim

Answer & Explanation Answer: B) Haryana

Explanation:

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Q:

Which one of the following is an insectivorous plant?

A) Utricularia	B) Sequoia Gigantia
C) Nostoc	D) Bryophyta

Answer & Explanation Answer: A) Utricularia

Explanation:

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Q:

If a healthy freshwater fish is placed in salt water, what will be the expected consequence ?

A) The fish becomes dehydrated and dies	B) The fish becomes bloated and dies
C) The fish suffers from fungal or bacterial disease and dies	D) There is no observable effect on the fish provided there is sufficient food

Answer & Explanation Answer: A) The fish becomes dehydrated and dies

Explanation:

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Q:

Thermal electricity is generated by using which of these ?

A) Coal only	B) Coal and Natural Gas only
C) Coal, Natural Gas and Petroleum	D) None of these

Answer & Explanation Answer: C) Coal, Natural Gas and Petroleum

Explanation:

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Q:

Who among the following is also the Chairman of the Planning Commission?

A) Defence Minister	B) Attorney General
C) Prime Minister	D) Finance Minister

Answer & Explanation Answer: C) Prime Minister

Explanation:

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Q:

Under Pradhan Mantri Vaya Vandana Yojana (PMVVY), there will be an assured periodic return over tenure of ______.

A) 5 years	B) 10 years
C) 15 years	D) 20 years

Answer & Explanation Answer: B) 10 years

Explanation:

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Q:

What are Equinox days?

A) When day is smaller than night	B) When day is the longest in the year
C) When day is greater than night	D) When day and night are equal

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