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Q:

Barbituric Acid was synthesized in 1864 by

A) Adolf von Baeyer B) Marie Curie
C) Mendeleev D) John Dalton
 
Answer & Explanation Answer: A) Adolf von Baeyer

Explanation:

German Chemist, Adolf von Baeyer first synthesized Barbituric Acid in 1864.

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Q:

when an atom loses an electron it becomes

A) neutron B) negative ion
C) positive ion D) none of the above
 
Answer & Explanation Answer: C) positive ion

Explanation:

If it loses an electron it becomes a positive ion

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Q:

Nullification Meaning in Government?

Answer

Nullification is the legal theory that a state has the right to nullify (invalidate) any federal law that it deems unconstitutional



So far, there have not been any situations where this tactic has actually held up, though. In each case, nullification has failed.

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Q:

While running DOS on a PC, which command would be used to duplicate the entire diskette?

Answer

diskcopy

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Subject: Operating Systems

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Q:

Which High Court has ordered a ban over online sale of medicines across India?

A) Delhi B) Hyderabad
C) Kolkata D) Mumbai
 
Answer & Explanation Answer: A) Delhi

Explanation:

Delhi High Court has ordered a ban over online sale of medicines across India.

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Q:

An example of an extensive property of matter is

A) Volume B) Mass
C) Density D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:

Any properties that are dependent on the amount of matter are called as extensive properties of matter.


Examples are :: Mass, Volume, Density (M/V),...

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Q:

The principal quantum number indicates what property of an electron?

A) energy of electron B) distance of electron from nucleus
C) both a & b D) number of subshells
 
Answer & Explanation Answer: C) both a & b

Explanation:

The principal quantum number is the property of an electron which determines the energy of electron and the distance of electron from the nucleus of an atom.

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Q:

The WHO has launched new Global Influenza Strategy for?

A) 2019 - 2022 B) 2022 - 2025
C) 2019 - 2030 D) 2019 - 2025
 
Answer & Explanation Answer: C) 2019 - 2030

Explanation:
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