Sawaal

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Q:

Which compound contains both ionic and covalent bonds?

A) NaNO3 B) CaSO4
C) NH4Cl D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Here all the given compounds have both ionic and covalent bonds.

 

NaNO3 - In Sodium nitrate, Nitrate is covalently bonded as nitrogen is bonded with 3 oxygen atoms. And this nitrate is ionically bonded with sodium.

 

CaSO4 - In Calcium sulphate, sulphate is covalently bonded as sulphur is bonded with 4 oxygen atoms. And this sulphate is ionically bonded with calcium.

 

NH4Cl - In Ammonium chloride, ammonium is covalently bonded as nitrogen is bonded with 4 hydrogen atoms. And this ammonium is ionically bonded with chlorine.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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5 6935
Q:

The himalayas are approximately ______ kilometer broad 

A) 150 to 400 B) 200 to 400
C) 150 to 300 D) 250 to 500
 
Answer & Explanation Answer: A) 150 to 400

Explanation:
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Filed Under: Indian Geography

19 6927
Q:

Telegrahic code was introduced by

A) Lipman B) Macmillan
C) Thomas Moore D) Cockrell
 
Answer & Explanation Answer: C) Thomas Moore

Explanation:
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Filed Under: General Awareness

20 6927
Q:

Which of the following has the highest entropy?

A) Hydrogen B) Diamond
C) Liquid nitrogen D) Mercury
 
Answer & Explanation Answer: A) Hydrogen

Explanation:

Entropy is a measure of disorder . It will be maximum in gases followed by liquids and least in solids.

 

Hence, here the gas is only hydrogen and it has the highest entropy.

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Filed Under: Physics
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8 6927
Q:

Function of Leghaemoglobin in nitrogen fixation _____

A) Absorption of oxygen B) Nutrion of bacteria
C) Absorption of light D) All
 
Answer & Explanation Answer: A) Absorption of oxygen

Explanation:
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Filed Under: Biology

32 6925
Q:

Which of the following was banned by Supreme Court of India in 2014 ?

A) Kick Boxing B) Malla Yuddam
C) Kalari Payattu D) Jallikattu
 
Answer & Explanation Answer: D) Jallikattu

Explanation:
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Filed Under: Indian Culture

86 6924
Q:

Political right does NOT include which of the following

A) Right to Vote B) Right to Life
C) Right to contest in election D) Right against exploitation
 
Answer & Explanation Answer: B) Right to Life

Explanation:
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Filed Under: Indian Politics

9 6921
Q:

Which of the following schemes was launched to promote basic education in India and attract children in school going age to attend the classes

A) Pulse Polio Abhiyan B) Operation Flood
C) Mid Day Meal scheme D) None of these
 
Answer & Explanation Answer: C) Mid Day Meal scheme

Explanation:
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Filed Under: Indian Economy

4 6919