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Q:

Name the official language of Brazil?

A) Portuguese B) German
C) Italian D) Brazilian
 
Answer & Explanation Answer: A) Portuguese

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Filed Under: General Awareness
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Q:

The successive discount of 15%, 20% and 25% on an article is equivalent to the single discount of

A) 60% B) 47%
C) 49% D) 40%
 
Answer & Explanation Answer: C) 49%

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Filed Under: Quantitative Aptitude - Arithmetic Ability
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Q:

NaCl is a salt which is made up of

A) Strong acid and weak base B) Weak acid and weak base
C) Strong acid and strong base D) Weak acid and strong base
 
Answer & Explanation Answer: C) Strong acid and strong base

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Filed Under: Chemistry
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Q:

The major ingredient of sweetened soft drink is

A) Carbonated water B) Hydrochloric acid
C) Phosphoric acid D) Caffeine
 
Answer & Explanation Answer: A) Carbonated water

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Filed Under: Chemistry
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Q:

Which of the following is used in the preparation of tincture iodine, cough syrup and many tonics?

A) Methanol B) Ethanoic acid
C) Acetic acid D) Ethanol
 
Answer & Explanation Answer: D) Ethanol

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Filed Under: Chemistry
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Q:

The demand for a inferior good increases with ________ in the consumer's income.

A) increase B) decrease
C) constant D) double
 
Answer & Explanation Answer: B) decrease

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Filed Under: Indian Economy
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Q:

Name the first Indian to get Nobel prize in economics.

A) Amartya Sen B) C V Raman
C) Mihir Sen D) Arun Shourie
 
Answer & Explanation Answer: A) Amartya Sen

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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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Filed Under: Chemistry
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