Questions

Q:

The pH value increase from 7 to 14 represents a

A) decrease in H+ ion concentration B) decrease in OH- ion concentration
C) increase in OH- ion concentration D) increase in H+ ion concentration
 
Answer & Explanation Answer: C) increase in OH- ion concentration

Explanation:
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Filed Under: Chemistry
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Q:

Which one of the following is lyophilic colloid?

A) Gold sol B) Smoke
C) Cloud D) Starch aqueous solution
 
Answer & Explanation Answer: D) Starch aqueous solution

Explanation:

Starch aqueous solution is a lyophilic colloidal solution.

 

Lyophilic colloids are liquid loving colloids.  When these colloids are mixed with suitable liquid high force of attraction exists between colloidal particles and liquid.

 

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Q:

What is the atomicity of Phosphorous?

A) Di-atomic B) Poly-atomic
C) Tetra-atomic D) Mono-atomic
 
Answer & Explanation Answer: C) Tetra-atomic

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Q:

Which male cricketer has been appointed as the UNICEF and Cricket for Good ambassador for the ICC Women's Cricket World Cup 2017?

A) Sachin Tendulkar B) Shane Warne
C) Clive Lloyd D) Brian Lara
 
Answer & Explanation Answer: D) Brian Lara

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Q:

In the question given below, a statement is given followed by three courses of action. A course of action is taken for improvement, follow up, etc. Read the statement carefully and give your answer.

Statement:
A knife-wielding assailant killed a 29- year-old man and injured four others in a lively neighbourhood near Paris’ famed Opera Garnier before he was killed by police on Saturday night.

Courses of Action:
I. The government should ban the sale of knives in all major cities.
II. Any person seen carrying a knife should be immediately taken into police custody.
III. Policemen should be posted near all major tourist spots to avoid such untoward incidents.

A) Only course of action I follows B) Only course of action II follows
C) Both I and II follow D) Both II and III follow
 
Answer & Explanation Answer:

Explanation:

None of the courses of action follow. Banning the sale of knives just because one particular knife-wielding assailant went on a rampage makes no sense. Similarly, taking into police custody all those who are seen carrying knives is not something practical. Knives can be used for so many other purposes not involving the killing/harming of people. Finally, it is not a realistic expectation that posting policemen in all major tourist spots would reduce or altogether stop instances of such occurrences. Therefore, option E is the correct answer.

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Q:

Upanishad Books are: ________.

A) On religion B) On yoga
C) On the law D) On philosophy
 
Answer & Explanation Answer: D) On philosophy

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Q:

Which of the following places presents the oldest evidence of Neolithic Era?

A) Chirnd B) Mehrgarh
C) Burghome D) Daimabad
 
Answer & Explanation Answer: B) Mehrgarh

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Filed Under: Indian History
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Q:

Who among the following was NOT one of the 'Nine Gems' of Emperor Akbar's court?

A) Raja Todar Mal B) Fakir Aziao-Din
C) Abu'l-Fazil ibn Mubarak D) Osman Ali Khan
 
Answer & Explanation Answer: D) Osman Ali Khan

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