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Q:

Which substance contains metallic bonds?

A) C6H12O6 B) Hg
C) H2O D) NaCl
 
Answer & Explanation Answer: B) Hg

Explanation:

Metallic bond is a bond between two metal atoms. Here in the given option Hg is the only metal with metallic bond.

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Q:

Carbon disulfide is prepared by heating sulfur and charcoal.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

Yes, Carbon disulfide is prepared by heating sulfur and charcoal. 


S2 + C ----> CS2

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Subject: Chemistry
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Q:

Consider the electromagnetic radiations having wavelengths 200 nm, 500 nm and 1000 nm. Which wavelength (s) of the following can make visual sensation to a human eye?

A) 200 nm and 500 nm B) 500 nm and 1000 nm
C) 500 nm only D) 200 nm and 1000 nm
 
Answer & Explanation Answer: C) 500 nm only

Explanation:
Visual image of human eye is 390-700 nanometer. So, approximate value is 500 nanometer only.
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Filed Under: Physics
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Q:

Which measurement depends on gravitational force?

A) Mass B) Weight
C) Height D) All of the above
 
Answer & Explanation Answer: B) Weight

Explanation:

We know that,

Weight W = mg. That is mass times gravitational force.

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Q:

The country where the military has imposed martial law amid a political crisis

Answer

Thailand

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Subject: General Awareness

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Q:

Which of these equations best summarizes photosynthesis?

A) CO2 + H2O -----> C6H12O6 + 6O2 B) 6O2 + 6H2O -----> C6H12O6 + 6CO2
C) 6CO2 + 6H2O -----> C6H12O6 + 6O2 D) C6H12O6 + 6O2 -----> CO2 + 6H2O
 
Answer & Explanation Answer: C) 6CO2 + 6H2O -----> C6H12O6 + 6O2

Explanation:

Here 6CO2 + 6H2O -----> C6H12O6 + 6O2 is the only option which best summarizes photosynthesis. We know that, photosynthesis is the reverse of cellular respiration in that carbon dioxide is used with water to form sugar, and oxygen is released.

 

Which_of_these_equations_best_summarizes_photosynthesis1553579499.png image

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Q:

Missing letters puzzle

Answer

Answer:  T


Explanation:   In each row, add together the numerical values of the pairs of letters to the left and right, then calculate their difference, putting the letter with this numerical value in the centre space.

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Subject: Missing letters puzzles

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Q:

Cafe Coffee Day has entered into an agreement with which airlines carrier for becoming the single-point vend or supplying snacks and beverages on board?

 

A) Indian (Indian Airlines) B) Air Sahara
C) Air Deccan D) Kingfisher Airlines
 
Answer & Explanation Answer: C) Air Deccan

Explanation:
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Filed Under: Business Awareness

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