CAT Questions

Q:

Which equation is an example of a synthesis reaction?

A) 2H2 + O2 → 2H2O B) Na + Cl → NaCl
C) HA + BOH → H2O + BA D) NaCl + AgNO3 → NaNO3 + AgCl
 
Answer & Explanation Answer: B) Na + Cl → NaCl

Explanation:

When two or more chemical species combine to form a single product, the reaction is said to be synthesis reaction. It is also called as Direct Combination reaction.

 

Here in the given options, Sodium (Na) combines with Chlorine (Cl) to form a more complex single product Sodium Chloride (NaCl).

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Q:

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best express
the same sentence in Indirect/Direct speech.


The holy prophet said, " God helps those who help others."

A) The holy prophet said that God helped those who helped others. B) The holy prophet said that God helps those who help others.
C) The holy prophet said that God helps people who help others. D) The holy prophet said that God helps those people who help others.
 
Answer & Explanation Answer: B) The holy prophet said that God helps those who help others.

Explanation:
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Q:

In a projectile motion, a large angle with the horizontal produces ______.

A) flat trajectory B) curve trajectory
C) straight trajectory D) high trajectory
 
Answer & Explanation Answer: D) high trajectory

Explanation:
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Q:

The right to vote in India is in an article of

A) 370 B) 368
C) 356 D) 326
 
Answer & Explanation Answer: D) 326

Explanation:

In India, the right to vote is provided by the Constitution and the Representation of People's Act, 1951, subject to certain disqualifications. Article 326 of the Constitution guarantees the right to vote to every citizen above the age of 18.

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Q:

What travels around the world but stays in one spot?

Answer

Therefore the answer for What travels around the world but stays in one spot is STAMP or any other thing that acts as a stamp does.


Ex. the letter in the envelope etc...


 


Since, Several things have the possibility, but the word travel evokes that it would move. 

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Q:

Which property would be classified as expendable?

A) Food given to Army B) Cement
C) Paint D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Expendable properties are those properties that are consume in use or that lose their identity in use. It also include those properties that become an integral part of other property when put to use and those properties which have an expected service life of less than one year.

 

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Q:

Which of the following industries most closely approximates pure competition?

A) Steel B) Clothing
C) Eectronic D) Agriculture
 
Answer & Explanation Answer: D) Agriculture

Explanation:

Agriculture would be a good example of a purely competitive industry.

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Q:

Which of these instruments is used to measure the wind speed?

A) Anemometer B) Inclinometer
C) Fathometer D) Calorimeter
 
Answer & Explanation Answer: A) Anemometer

Explanation:

Anemometer is the instrument that is used for measuring the speed of wind or any gas currents.

Which_of_these_instruments_is_used_to_measure_the_wind_speed1560165843.jpg image

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