Q:

Constantan is alloyed from ...... metals.

A) Ni, Ti, Fe, Cr	B) Cu, Ni, Mn
C) Ni, Cr, Mn, Fe	D) Cu, Ni

Answer & Explanation Answer: D) Cu, Ni

Explanation:

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Q:

What happens in an oxidation reaction?

A) Protons are lost.	B) Electrons are lost
C) Neutrons are lost.	D) Electrons are gained.

Answer & Explanation Answer: B) Electrons are lost

Explanation:

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Q:

______ character of a bond between two atoms is greater if the difference in their electro negativities is lesser.

A) Polar	B) Metallic
C) Ionic	D) Covalent

Answer & Explanation Answer: D) Covalent

Explanation:

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Q:

Give an example of a salt which gives an aqueous solution of pH less than 7.

A) Ammonium chloride	B) Sodium carbonate
C) Sodium bicarbonate	D) Sodium chloride

Answer & Explanation Answer: A) Ammonium chloride

Explanation:

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Q:

A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to "No improvement".

He enjoys to go on tours with his children.

A) to go for tours	B) going for tours
C) going on tours	D) No improvement

Answer & Explanation Answer: C) going on tours

Explanation:

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Q:

Read each sentence to find out whether there is any grammatical error or idiomatic error in it.The error, if any, will be in one part of the sentence. The letter of that part is the answer. If there is no error, mark the answer as No error. (Ignore errors of the punctuation if any).Do you wanted/ to discuss this/ project today or can / we do it tomorrow?

A) Do you wanted	B) to discuss this
C) project today or can	D) we do it tomorrow

Answer & Explanation Answer: A) Do you wanted

Explanation:

Look at the structure of the sentence in interrogative in present simple.

Do/Does + subject + Verb

Hence, do you want should be used.

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Q:

Prothrombin, responsible for clotting of blood is released by_____.

A) Small Intestine	B) Blood Platelets
C) Large Intestine	D) Heart

Answer & Explanation Answer: B) Blood Platelets

Explanation:

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Q:

The founder of Bachpan Bachao Andolan (Save Child Movement ) is

A) Malala Yousafzai	B) Sane Guruji
C) Salman Khan	D) Kailash Satyarthi

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