Q:

Which ionization process requires the most energy?

A) C3+ (g) → C4+ (g) + e-	B) C (g) → C+ (g) + e-
C) C2+ (g) → C3+ (g) + e-	D) C+ (g) → C2+ (g) + e-

Answer & Explanation Answer: A) C3+ (g) → C4+ (g) + e-

Explanation:

We know that each successive IE is greater than the previous one, because each ionization process removes one electron and hence increases the total attractive force on the remaining electrons from the nucleus. Hence, C3+ (g) → C4+ (g) + e- needs more energy.

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Filed Under: Chemistry
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Q:

The United Nation declared 2006 as the International year of

A) Rice	B) World Population
C) Communication	D) Elderly Persons

Answer & Explanation Answer: A) Rice

Explanation:

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Filed Under: Important Days and Years

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Q:

Which instrument has keys, pedals and strings?

A) Guitar	B) Piano
C) Violin	D) Tumbra

Answer & Explanation Answer: B) Piano

Explanation:

A piano is a musical instrument which has keys, pedals and strings in which the strings are struck by hammers.

which_instrument_has_keys_pedals_and_strings1558331311.jpg image

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Q:

Which Battle marked the end of Napoleon era

Answer

Waterloo

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Subject: World History

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Q:

The element common to all acids is

A) Hydrogen	B) Oxygen
C) carbon	D) Sulphur

Answer & Explanation Answer: A) Hydrogen

Explanation:

Hydrogen is the common element in all acids.

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Q:

The alpha-particles are

A) high energy electrons	B) positively charged hydrogen irons
C) high energy x ray radiations	D) double positively charged helium nuclei

Answer & Explanation Answer: D) double positively charged helium nuclei

Explanation:

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Q:

The protoplasm of a child is exactly the same as that of its

A) mother	B) father
C) grandfather	D) identical twin

Answer & Explanation Answer: D) identical twin

Explanation:

Though all living organisms are made of protoplasm each individual has a different composition however slight it be. In identical twins the same cell divides into two and each one develops into one person. So the genitic make-up and type of protoplasm are exactly the same.

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Filed Under: Biology

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Q:

Narmada originates from its source situated in the state of

A) Maharashtra	B) Uttar Pradesh
C) Madhya Pradesh	D) Andhra Pradesh

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