Q:

Which of the following elements has the lowest melting point?

A) Bromine	B) Zinc
C) Lead	D) Calcium

Answer & Explanation Answer: A) Bromine

Explanation:

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Q:

Which of the following elements has the lowest melting point?

A) Iodine	B) Lead
C) Tin	D) Mercury

Answer & Explanation Answer: D) Mercury

Explanation:

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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:

Trickle down theory ignores the impact of economic growth on

A) Investment	B) Savings
C) Income distribution	D) consumption

Answer & Explanation Answer: C) Income distribution

Explanation:

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Filed Under: Indian Economy
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Q:

Which of the following do economists consider to be capital?

A) a construction crane	B) a savings account
C) a share of IBM stock	D) a pair of stockings

Answer & Explanation Answer: A) a construction crane

Explanation:

In economics, there are four factors of production. They are :

1. Land

2. Labour

3. Capital

4. Organization

Here in the given options, a construction crane acts like capital.

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Q:

A level of atmosphere which is composed partly of electrons and positive ions is called

A) Troposphere	B) Ionosphere
C) Stratosphere	D) Mesosphere

Answer & Explanation Answer: B) Ionosphere

Explanation:

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Filed Under: General Science
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Q:

Who pioneered diagnostic ultrasound?

A) Alexander Fleming	B) Ian Donald
C) A. Laveran	D) Robert Koch

Answer & Explanation Answer: B) Ian Donald

Explanation:

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Filed Under: Inventions
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Q:

Who amidst the following is a distinguished painter?

A) Uday Shankar	B) Sonal Mansingh
C) Amrita Shergill	D) Yamini Kirshnamurthy

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