Questions

Q:

Which equation represents a neutralization reaction?

A) 2Al(OH)3(s) ---> Al2O3(s) + 3H2O(l) B) H2SO4(aq) + 2NaOH(aq) ---> Na2SO4(aq) + 2H2O(l)
C) 2H2(g) + O2(g) ---> 2H2O(l) D) H2CO3(aq) ---> CO2(g) + H2O(l)
 
Answer & Explanation Answer: B) H2SO4(aq) + 2NaOH(aq) ---> Na2SO4(aq) + 2H2O(l)

Explanation:

Here in the option B) H2SO4 - Sulfuric acid is reacting with sodium hydroxide (NaOH), a base to produce a salt (Sodium Sulfate), and water (H2O). This is characteristic of of acid-base neutralization reactions.

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Q:

The given sentences, when properly sequenced, form a coherent paragraph. Each sentence is labelled with a letter. Choose the most logical order of the sentences from among the five given choices to construct a coherent paragraph keeping 1 as the first statement.

1) In Hindu mythology, when Shiva opens his third eye, it is considered a terrible warning for the cosmos.

A) In somewhat similar fashion, in 2017, women across the world seemed to declare war — on harassment, abuse, rape, inequality and every form of injustice.

B) Anger, however, is only one facet of the fight for empowerment. Concomitantly, the year saw women stack up achievements on an unprecedented scale.

C) It means he is angry enough to incinerate anything that comes in his way.

D) Across the world, there was a furious outpouring of rage against men in power, men on the street, men at home, and in families.

A) ABCD B) CBDA
C) DBAC D) DACB
 
Answer & Explanation Answer:

Explanation:

The correct sequence is CADB.

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Q:

Business fluctuations refer to

A) the ups and downs in overall business B) expansion is rapid
C) contraction is severe D) None of the above
 
Answer & Explanation Answer: A) the ups and downs in overall business

Explanation:

Business fluctuations refer to the ups and downs in overall business activity measured by changes in national​ income, employment and the price level.

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Q:

What are the flags in 8086?

Answer

In 8086 Carry flag, Parity flag, Ausiliary carry flag, Zero flag, Overflow flag, Trace flag, Interrupt flag, Direction flag, and Sing flag.

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Q:

When was the first time declared National Sports Day?

Answer

August 29, 1995 was for the first time declared National Sports Day, it being the 90th birthday of hockey wizard Dhyan Chand

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Q:

The wrist is what to the hand?

A) Deep B) Proximal
C) Lateral D) Superior
 
Answer & Explanation Answer: B) Proximal

Explanation:
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Q:

Who is known as the father of Modern Chemistry?

A) Robert Boyle B) Antoine Lavoisier
C) John Dalton D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:
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Q:

Depletion of ozone layer is caused by

A) CFC's B) Carbon tetra-chloride (CCl4)
C) HCFC's D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Ozone layer depletion is one of the most serious problems faced by our planet earth. Substances that Deplete the Ozone Layer (ODS) emission are responsible for ultraviolet radiations from the sun break them to release chlorine (from CFCs) and bromine (from methyl bromide and halons).

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Filed Under: General Awareness
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