Chemistry Questions

Q:

Which chemical bond most likely stores the most energy?

A) Single bond B) Double bond
C) Both A & B D) None of the above
 
Answer & Explanation Answer: B) Double bond

Explanation:
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Q:

Through which conversion is energy released?

A) CO2 and H2O to C6H12O6 and O2 B) NADP+ to NADPH
C) ADP to ATP D) ATP to ADP
 
Answer & Explanation Answer: D) ATP to ADP

Explanation:
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Q:

What are the end products of cellular respiration?

A) ATP, Glucose B) Glucose, Oxygen
C) Oxygen, Water D) ATP, Water
 
Answer & Explanation Answer: D) ATP, Water

Explanation:

Cellular respiration is the three-step process by which cells make ATP using glucose and oxygen.

Oxygen and glucose are both reactants in the process of cellular respiration. The main product of cellular respiration is ATP, waste products include carbon dioxide and water.

 

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Q:

A simple rule concerning water and electrolyte regulation is

A) water passively follows salt B) salt actively follows water
C) water actively follows salt D) salt passively follows water
 
Answer & Explanation Answer: A) water passively follows salt

Explanation:

A simple rule concerning water and electrolyte regulation is water passively follows salt.

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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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Q:

What is a product in a chemical reaction?

Answer

In chemistry, a product is a substance that is formed as the result of a chemical reaction. In a reaction, starting materials called reactants and the ending materials are called products.

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Q:

The pH of pure water is nearly 7.It will increase on the addition of

A) ammonia B) cane sugar
C) common salt D) hydrochloric acid
 
Answer & Explanation Answer: A) ammonia

Explanation:

Ammonia is a base. One adding ammonia to water,the resulting solution will become basic. pH of an alkaline solution is 7. So the pH will increase

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Q:

Which gas is used in tube light?

A) Oxygen B) Hydrogen
C) Neon D) Nitric oxide
 
Answer & Explanation Answer: C) Neon

Explanation:
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