1.  C2H5––C2H5

2.  C2H5COOH

3.  C6H5NH2

4.  C2H5COC2H5

4
Correct Answer :

C2H5COC2H5



Explanation :
No Explanation available for this question

1.  dil. KMnO4

2.  conc. H2SO4

3.  AgNO3in ammonia

4.  Br2in CCl4

4
Correct Answer :

AgNO3in ammonia


Explanation :
No Explanation available for this question

1.  1 ppm

2.  100 ppm

3.  10000 ppm

4.  10,0000 ppm

4
Correct Answer :

10000 ppm


Explanation :
No Explanation available for this question

1.  mordant dye

2.  nitro dye

3.  acid dye

4.  basic dye

4
Correct Answer :

acid dye


Explanation :
No Explanation available for this question

1.  1s2, 2s22p6, 3s23p6

2.  1s2, 2s22p6, 3s23p3

3.  1s2, 2s22p6, 3s23p1

4.  1s2, 2s22p6, 3s23p4

4
Correct Answer :

1s2, 2s22p6, 3s23p6


Explanation :
No Explanation available for this question

1.  1.5 x 10-11M

2.  9 x 10-10M

3.  3.9 x 10-12M

4.  2.6 x 10-11M

4
Correct Answer :

9 x 10-10M


Explanation :
No Explanation available for this question

1.  CH3COOH

2.  CH3CHO

3.  CH3COCH3

4.  none of these

4
Correct Answer :

CH3CHO


Explanation :
No Explanation available for this question

1.  1.2 x 10-20g

2.  2.4 x 10-21g

3.  4.72 x 1023g

4.  1.4 x 10-21g

4
Correct Answer :

1.4 x 10-21g


Explanation :
No Explanation available for this question

1.  Cassiterite

2.  Magnetite

3.  Galena

4.  Copper pyrite

4
Correct Answer :

Magnetite


Explanation :
No Explanation available for this question

1.  HI

2.  H3PO3

3.  HNO3

4.  HIO3

4
Correct Answer :

HI


Explanation :
No Explanation available for this question

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