Chemistry Questions

Q:

Gamma rays are

A) high energy electrons B) low energy electrons
C) high energy electromagnetic D) high energy positrons waves
 
Answer & Explanation Answer: C) high energy electromagnetic

Explanation:
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Q:

The enzyme in whosepresence glucose and fructose are converted into alcohol is 

A) Diastase B) Maltase
C) Invertase D) Zymase
 
Answer & Explanation Answer: D) Zymase

Explanation:
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Q:

Which of the following is a hydrocarbon?

A) C2H6 B) C3H8
C) CH4 D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The simplest organic compounds contain only the elements carbon and hydrogen, and are called hydrocarbons.

Here all the given options are hydrocarbons.

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Q:

What does 'M' stand for in chemistry?

Answer

'M' is used as a unit of molarity and stands for mole per litre i.e, number of moles of solute per liter of solution.

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Q:

Which is the heaviest metal among the following?

A) Gold B) Silver
C) Iron D) Copper
 
Answer & Explanation Answer: A) Gold

Explanation:
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Q:

Alcohol is a stimulant. true or false

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

Explanation:

Alcohol is a drug.

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Q:

Another name for the activated complex is

A) Transmission state B) Energy barrier
C) Collision group D) Transition state
 
Answer & Explanation Answer: D) Transition state

Explanation:

The minimum amount of energy required for a particular reactants to convert into products and is called as Activation Energy.

 

Another_name_for_the_activated_complex_is1559538681.jpg image

 

This activation complex is also termed as Transition State because according to Transition State Theory at transition state the existing bonds tend to increase in length and become weaken while, the new forming bonds tend to decrease in length and start becoming stronger.

Hence, the activated complex is in transition between reactants and products.

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Q:

Acute diabets  patients smell of 

A) acetone B) ether
C) ethyl alcohol D) methyl alcohol
 
Answer & Explanation Answer: A) acetone

Explanation:

Acute diabetes results in the formation of acetone in the body. Hence such patients smell of acetone.

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