MCQ
Carbon black, which is used in making printer's ink, is obtained by decomposition of
- AAcetylene
- BBenzene
- CCarbon tetrachloride
- ✓Methane
It contains $98-99\%$ carbon. It is used in making black ink, paints and shoe polishes.
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$N _{2} O _{4}( g ) \rightleftharpoons 2 NO _{2}( g ) ; \Delta H ^{0}=+58 kJ$
For each of the following cases $(a, b),$ the direction in which the equilibrium shifts is:
$(a)$ Temperature is decreased
$(b)$ Pressure is increased by adding $N _{2}$ at constant $T$
|
List$-I$ (Oxide) |
List$-II$ (Nature) |
| $(A)$ $Cl _{2} O _{7}$ | $(I)$ Amphoteric |
| $(B)$ $Na _{2} O$ | $(II)$ Basic |
| $(C)$ $Al _{2} O _{3}$ | $(III)$ Neutral |
| $(D)$ $N _{2} O$ | $(IV)$ Acidic |
Choose the correct answer from the options given below