Q:

Which State is called the ' Cradle of Buddhism '?

A) Sikkim	B) Bihar
C) Uttar Pradesh	D) Madhya Pradesh

Answer & Explanation Answer: B) Bihar

Explanation:

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Filed Under: Indian History

170 40121

Q:

Which of the following reactions are exothermic?

$1) C + O_{2} \to {CO}_{2} 2) 2 Mg + O_{2} \to 2 MgO 3) {CuSO}_{4} + 5 H_{2} O \to {CuSO}_{4} . 5 H_{2} O 4) All the above$

A) 1	B) 2
C) 3	D) 4

Answer & Explanation Answer: D) 4

Explanation:

Here all the given options are Exothermic reactions. Exothermic reactions are those reactions which involves the release of heat.

Generally all the combining reactions are exothermic in nature.

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Filed Under: Chemistry
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13 39656

Q:

Place these hydrocarbons in order of decreasing boiling point.

1. Paraffin

2. Octadecane

3. Hexane

4. Neohexane and

5. Ethane

A) Paraffin > Octadecane > Neohexane > Hexane > Ethane	B) Paraffin > Octadecane > Hexane > Neohexane > Ethane
C) Hexane > Paraffin > Octadecane > Neohexane > Ethane	D) None of the above

Answer & Explanation Answer: B) Paraffin > Octadecane > Hexane > Neohexane > Ethane

Explanation:

In hydrocarbon, the boiling point directly varies with the length of carbon chain. On increasing the number of carbon atom, the boiling point of the compound also increases. Paraffin contains highest number of carbon atoms whereas, ethane is comprised of two carbon atoms.

The decreasing order of boiling point of mention compounds is written as follows:

Paraffin > Octadecane > Hexane > Neohexane > Ethane

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10 39383

Q:

Which of the following is/are state function / functions?

1. q + w

2. q

3. w

4. H -TS

Select the correct answer using the code given below.

A) 1 and 4 only	B) 1, 2 and 4
C) 2, 3 and 4	D) 1 only

Answer & Explanation Answer: A) 1 and 4 only

Explanation:

Q and w are path functions while q+w i.e. H, enthalpy is state function. Similarly, H-TS i.e. G, Gibbs free energy is state function.

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Filed Under: Physics
Exam Prep: Bank Exams

11 39163

Q:

From the following pairs, find the one which is correctly matched?

A) Scurvy- Thiamine	B) Tuberculosis- ATS
C) Tetanus- BCG	D) Malaria- Chloroquine

Answer & Explanation Answer: D) Malaria- Chloroquine

Explanation:

Chloroquine is a medication used to prevent and to treat malaria.

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Filed Under: Biology
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71 38903

Q:

Give the common name for the following compound

${({CH}_{3})}_{2} CH {CH}_{2} - Br$

A) Isobutyl bromide	B) Methyl bromide
C) Propyl bromide	D) Butyl bromide

Answer & Explanation Answer: A) Isobutyl bromide

Explanation:

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Filed Under: Chemistry
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7 38566

Q:

By virtue of which Act, Diarchy was introduced in India

A) Indian Council Act, 1909	B) Government of India Act, 1919
C) Government of India Act, 1935	D) indian Independence Act, 1947

Answer & Explanation Answer: B) Government of India Act, 1919

Explanation:

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Filed Under: Indian Politics

152 38499

Q:

Where is located the world's longest glass bridge that was opened for the public on December 24, 2017?

A) Hebei, China	B) Tokyo, Japan
C) Virginia, USA	D) Berlin, Germany

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