p-Block Elements – II — Chemistry STD 12 — Question

In a metallurgical process, an acid flux is used for removing ……………

Which substance is not present in nucleic acid?

Among the alkenes which one produces tertiary butyl alcohol on acid hydration?

Consider the following statements.
(i) Ellingham diagram gives information about the thermodynamic feasibility of a reaction.
(ii) It explains the rate of the reaction.
(iii) Below 1000 K temperature, FeO is more stable than CO.
Which of the above statements (s) is / are not correct?

Which one of the following is a steroid?

In Haber’s process of manufacture of ammonia, the Fe catalyst is poisoned by the pressure of …………….

Which one of the following elements show high negative electrode potential?

Find the odd one out :

Which one of the following is not an example of biodegradable plastic?

Assertion: Phenol is more acidic than ethanol.
Reason: Phenoxide ion is resonance stabilized.