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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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Q:

What kind of dress can never be worn?

Answer

ADDRESS is what the kind of dress can never be worn by anyone.

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Subject: Word Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GRE , TOEFL
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9 7907
Q:

The International Rice Research Institute is located in

A) Thailand B) Malaysia
C) Philippines D) Indonesia
 
Answer & Explanation Answer: C) Philippines

Explanation:
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Filed Under: Famous Places

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Q:

What kind of tree can you carry in your hand?

Answer

Palm tree.

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Subject: Word Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
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15 7903
Q:

The Land locked natural harbour along along the east coast of India is 

A) Vishakapatnam B) Chennai
C) Kolkata D) Paradeep
 
Answer & Explanation Answer: A) Vishakapatnam

Explanation:

It is connected to the sea by a channel cut through solid rock and sand. 

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Filed Under: Indian Geography

3 7881
Q:

In exo-biology we study about ________

A) External structure of living beings B) Life present on the earth
C) Life present in the other layer of earth atmosphere D) Life found in space and on other satellite
 
Answer & Explanation Answer: D) Life found in space and on other satellite

Explanation:
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Filed Under: Biology

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Q:

Curdling of milk is an example of

A) Inversion B) Denaturation
C) Hydrolysis D) Coagulation
 
Answer & Explanation Answer: D) Coagulation

Explanation:

Coagulation :: The action or process of a liquid, especially blood, changing to a solid or semi-solid state.

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Q:

Modern periodic table is based on atomic number of the elements. The significance of atomic number was proved by the experiment of ________

A) Moseley's work on X-ray spectra B) Bragg's work on X-ray diffraction
C) Mulliken's oil drop experiment D) Discovery of X-ray by Roentgen
 
Answer & Explanation Answer: A) Moseley's work on X-ray spectra

Explanation:
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Filed Under: Chemistry

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