Questions

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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32 189835
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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46 189741
Q:

Select the antonym of

coalesce

A) separate B) adhere
C) cleave D) amalgamate
 
Answer & Explanation Answer: A) separate

Explanation:
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6 189158
Q:

Select the synonym of

scarcity

A) opulence B) myriad
C) plethora D) dearth
 
Answer & Explanation Answer: D) dearth

Explanation:
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1 188391
Q:

Select the synonym of

preacher

A) atheist B) agnostic
C) evangelist D) pagan
 
Answer & Explanation Answer: D) pagan

Explanation:
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0 187210
Q:

Select the synonym of:

incisive

A) daffy B) concise
C) stolid D) tedious
 
Answer & Explanation Answer: B) concise

Explanation:
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0 186561
Q:

Camouflage is one way animals protect themselves.

Is this pronoun reflexive or intensive?

A) reflexive B) intensive
C) Both A & B D) None of the above
 
Answer & Explanation Answer: A) reflexive

Explanation:

Camouflage is one way animals protect themselves is reflexive.

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10 186498
Q:

Verses ascribed to poet-saint Kabir have been compiled in which of the following traditions?

1. Bijak in Varanasi

2. Kabir Granthavali in Rajasthan

3. Adi Granth Sahib

Select the correct answer using the code given below.

A) 1 and 2 only B) 1, 2 and 3
C) 2 and 3 only D) 3 only
 
Answer & Explanation Answer: B) 1, 2 and 3

Explanation:

Verses ascribed to Kabir have been compiled in three distinct but overlapping traditions. The Kabir Bijak is preserved by the Kabirpanth (the path or sect of Kabir) in Varanasi and elsewhere in Uttar Pradesh, the Kabir Granthavali is associated with the Dadupanth in Rajasthan, and many of his compositions are found in the Adi Granth Sahib.

Bijak is the best known of the compilations of the Kabir, and as such is the holy scripture for followers of the Kabirpanthi religion. The Bijak, an anthology of Kabir’s verses compiled in Eastern Uttar Pradesh and/or Bihar, is one of Kabir’s most influential works.In the case of the Guru Granth Sahib, Kabir’s poems were collected to be sung and are organized in ragas.

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