Questions

Q:

Which of the following is a property of sodium hydroxide?

A) It is insoluble in ether and other Non-polar solvents B) It is slowly soluble in water
C) It has an odor of rotten egg smell D) All the above
 
Answer & Explanation Answer: A) It is insoluble in ether and other Non-polar solvents

Explanation:

Sodium hydroxide, also known as lye and caustic soda, is an inorganic compound with the formula NaOH. It is a white solid ionic compound consisting of sodium cations Na+ and hydroxide anions OH−.

Properties:

1. It is highly soluble in water, and readily absorbs moisture and carbon dioxide from the air.

2. NaOH is insoluble in ether and other non-polar solvents.

3. It is an odorless compound.

 

Uses:

Sodium hydroxide is used in many industries: in the manufacture of pulp and paper, textiles, drinking water, soaps and detergents, and as a drain cleaner.

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Q:

A trial balance is prepared to

A) measure credits B) measure debits
C) measure credits = debits are not D) None of the above
 
Answer & Explanation Answer: C) measure credits = debits are not

Explanation:
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Q:

What reacts with oxygen to produce rust?

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

Explanation:

Iron reacts with oxygen in the presence of moisture or water to form a red oxide called rust and the reaction involved is called as Redox reaction.

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Q:

What is logical and physical addresses space?

Answer

Logical address space is generated from CPU; it bound to a separate physical address space is central to proper memory management. Physical address space is seen by the memory unit. Logical address space is virtual address space. Both these address space will be same at compile time but differ at execution time.

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Q:

Who is the veteran communist leader and CM of West Bengal for a record five consecutive tems until Nov 2000?

Answer

Jyoti Basu

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Q:

Who started Shudhi Movement?

A) Dayananda Saraswathy B) Sri Aurobindo
C) Swami Vivekananda D) Yashoda Bhai
 
Answer & Explanation Answer: A) Dayananda Saraswathy

Explanation:

Shudhi Movement was started by Dayananda Saraswathy.

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Q:

Hitler launched Operation Barbarossa in 1941 against the

Answer

Soviet Union

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Subject: World History

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Q:

Rise in sugar levels in blood is detected by the cells of:

A) Liver B) Gall bladder
C) Kidney D) Pancreas
 
Answer & Explanation Answer: D) Pancreas

Explanation:
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