Which of the following is not correct?
 

1.	Ammonia is used as refrigerant
2.	A mixture of CaC2 and N2 is known as nitrolim
3.	A mixture of Ca(H2PO4)2 and CaSO4.2H2O is known as superphosphate of lime
4.	Hydrolysis of NCl3 gives NH3 and HOCl

Which one of the following is aromatic?

1. Cyclopentadienyl cation

2. Cyclooctatetraene

3. Cycloheptatriene

4. Cycloheptatrienylcation

The complexes [Co(NH₃ )₆ ] [Cr(CN)₆] and [Cr(NH₃ )₆ ] [Co(CN)₆ ] are the examples of which type of isomerism?

1. Ionization isomerism

2. Coordination isomerism

3. Geometrical isomerism

4. Linkage isomerism

A solution with negative deviation among the following is:

1. ethanol-acetone

2. chlorobenzene-bromobenzene

3. chloroform-acetone

4. benzene-toluene

Which of the following compounds is soluble in benzene but almost insoluble in water?

1. $C_2{H}_{5}0H$

2. $C{H}_{3}C{0}_{2}H$

3. $C{H}_{3}CHO$

4. $C_6{H}_{5}N{0}_2$

The correct order of magnitude of bond angles among the compounds CH₄, NH₃' and H₂O is:

1. $C{H}_4>H_{2}O<N{H}_3$

2. $H_{2}O<N{H}_3<C{H}_4$

3. $N{H}_3<C{H}_4<H_{2}O$

4. $N{H}_3<H_{2}O<C{H}_4$

Which one of the following reactions does not form a gaseous product?

1. $Pb{O}_2+H_2{O}_2\to$

2. $Acidified<mspace\; width="1em"></mspace>KMn{O}_4+H_{2}O\to$

3. $PbS+H_2{O}_2\to$

4. $C{l}_2+H_2{O}_2\to$

Observe the following reaction-
 
The rate of formation of C is . What is the value of ?

1. $2.2\times {10}^{-3}$

2. $1.1\times {10}^{-3}$

3. $4.4\times {10}^{-3}$

4. $5.5\times {10}^{-3}$

Which one of the following 1s employed as antihistamine?

1. Diphenyl hydramine

2. Norethindrone

3. Omeprazole

4. Chloramphenicol

If x is the amount of adsorbate and m is the amount of adsorbent, which of the following relations is not related to the adsorption process?

1. $\frac{x}{m}=f\left(T\right)<mspace\; width="1em"></mspace>at<mspace\; width="1em"></mspace>cons\tan t<mspace\; width="1em"></mspace>p$

2. $p=f\left(T\right)<mspace\; width="1em"></mspace>at<mspace\; width="1em"></mspace>cons\tan t\left(\frac{x}{m}\right)$

3. $\frac{x}{m}p\times T$

4. $\frac{x}{m}=f\left(p\right)<mspace\; width="1em"></mspace>at<mspace\; width="1em"></mspace>cons\tan t<mspace\; width="1em"></mspace>T$