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Q:

Mg+O2=MgO

Balance the above Chemical equation?

A) 2Mg + O2 ----> 2MgO B) 2Mg + O ----> 2MgO
C) 2Mg + O ----> MgO2 D) 2Mg + O2 ----> MgO2
 
Answer & Explanation Answer: A) 2Mg + O2 ----> 2MgO

Explanation:

Given Equation is 

Mg + O2 → MgO

Balancing the Chemical Equation is nothing but Conservation of Matter. As Matter is Neither created nor Destroyed, it must be conserved.

Here we have 1 Mg and 2 O on the left side and 1 Mg and 1 O on the right side

To balance that, add 1 Mg on the left side so that it becomes 2 Mg and 2 O on the left side

i.e,

2 Mg + O2 → 2 MgO

Here it has 2 Mg & 2 O on the left side and 2 Mg and 2 O on the right side and the Chemical equation is Balanced.

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Q:

Select the synonym of

famished

 

A) glut B) jaded
C) satiated D) starved
 
Answer & Explanation Answer: D) starved

Explanation:
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Q:

Improve the bracketed part of the sentence.

As the financial situation worsened we realized that we were heading (toward) a disaster.

A) along B) into
C) for D) no improvement
 
Answer & Explanation Answer: C) for

Explanation:
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0 169014
Q:

The function of BIOS is to

 

A) Initialize the system hardware components B) Update the system
C) Ensure system performance D) Save the system from crashing
 
Answer & Explanation Answer: A) Initialize the system hardware components

Explanation:
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Q:

Select the synonym of

to scram

 

A) to cluster B)  to array
C) to convene D) to scoot
 
Answer & Explanation Answer: D) to scoot

Explanation:
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Q:

Which word or words explains the meaning of the following idioms:-

A bull in a china shop

A) A person who is very ugly but loves the beautiful thingsof life B) A person who takes a sadistic delight in harming innocent people
C) A person who becomes too excited where no excitement is warranted D) A rough and clumsy person at a place where skill and care are required
 
Answer & Explanation Answer: D) A rough and clumsy person at a place where skill and care are required

Explanation:

A bull in a china shop means one who is aggressive and clumsy in a situation that requires delicacy and care.

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Q:

Select the synonym of

deployment

A) bane B) banishment
C) stationing D) strategise
 
Answer & Explanation Answer: C) stationing

Explanation:
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Q:

What is the Iupac name for the compound shown below.

                           clbr1527920257.png image

A) 1-Bromo-3-chlorocyclohexene B) 2-Bromo-6-chlorocyclohex-1-ene
C) 6-Bromo-2-chlorocyclohexene D) 3-Bromo-1-chlorocyclohex-1-ene
 
Answer & Explanation Answer: D) 3-Bromo-1-chlorocyclohex-1-ene

Explanation:

In chemical nomenclature, the IUPAC nomenclature of organic chemistry is a systematic method of naming organic chemical compounds as recommended by the International Union of Pure and Applied Chemistry (IUPAC).

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