1.  Ethane

2.  Methane

3.  Acetylene

4.  Ethylene

4
Correct Answer :

Acetylene


Explanation :
No Explanation available for this question

1.  German silver

2.  Gun metal

3.  Nichrome

4.  Devarda's alloy

4
Correct Answer :

Nichrome


Explanation :
No Explanation available for this question

1.  Temparary hardness of water due to the presence of bicarbonates of calcium and magnesium in it

2.  Permutit is artificial zeolite

3.  H2O2 acts as an oxidizing agent in the following reaction Cl2 + H2O2 → O2 + 2HCl

4.  H2O2 is used as bleaching agent for delicate textiles

4
Correct Answer :

H<sub>2</sub>O<sub>2</sub> acts as an oxidizing agent in the following reaction Cl<sub>2</sub> + H<sub>2</sub>O<sub>2</sub> &#8594; O<sub>2</sub> + 2HCl


Explanation :
No Explanation available for this question

1.  HNO3

2.  SOCl2

3.  Con.H2SO4/1400C

4.  PCl5

4
Correct Answer :

HNO<sub>3</sub>


Explanation :
No Explanation available for this question

1.  Third orbit

2.  second orbit

3.  Fourth orbit

4.  Fifth orbit

4
Correct Answer :

Third orbit


Explanation :
No Explanation available for this question

1.  Ethyl chloride

2.  Ethyl carbonate

3.  Chloral hydrate

4.  Chloral

4
Correct Answer :

Ethyl carbonate


Explanation :
No Explanation available for this question

1.  Formaldehyde

2.  Acetaldehyde

3.  Diethyl ketone

4.  Diethyl ether

4
Correct Answer :

Acetaldehyde


Explanation :
No Explanation available for this question

1.  Mg

2.  Ca

3.  Sr

4.  Ba

4
Correct Answer :

Mg


Explanation :
No Explanation available for this question

1.  C2H5OH, dil. H2SO4, 00C

2.  CH3OH, con.H2SO4, 1700C

3.  C2H5Br, Zn, ∆

4.  C2H5OH, con.H2SO4, 1700C

4
Correct Answer :

C<sub>2</sub>H<sub>5</sub>OH, con.H<sub>2</sub>SO<sub>4</sub>, 170<sup>0</sup>C


Explanation :
No Explanation available for this question

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