1. NH3OHCl
2. PhNHNH2
3. NH2NHCONH2
4. HCN
PhNHNH<sub>2</sub>
1. CH4(g) + 416kJ→C(g) + 4H(g)
2. CH4(g) →C(g) + 4H(g) + 416kJ
3. CH4(g) +1664kJ→C(g) + 4H(g)
4. CH4(g) →C(g) + 4H(g) + 1664kJ
CH<sub>4</sub>(g) +1664kJ→C(g) + 4H(g)
1. C8H10
2. C6H6
3. C8H8
4. C6H5Cl
C<sub>8</sub>H<sub>10</sub>
1. 240
2. 3
3. 2
4. 4
4
1. Na
2. Zn
3. Mg
4. Li
Zn
1. Both (A) and (R) are true and (R) is the correct explanation of (A)
2. Both (A) and (R) are true and (R) is the not correct explanation of (A)
3. (A) is true but (R) is not true
4. (A) is not true but (R) is true
Both (A) and (R) are true and (R) is the correct explanation of (A)
1. II, III, I
2. III, II, I
3. I, II, III
4. I, III, II
III, II, I
1. 90% CaC2 + 10% CaCl2
2. Coconut charcoal
3. Soda lime + potash solution
4. 90% CaCO3 + 10% urea
90\% CaC<sub>2</sub> + 10\% CaCl<sub>2</sub>
1. I and II
2. I and III
3. II and III
4. II and IV
I and III
1. 3
2. 1
3. 4
4. 0
1