The following statement is true only under some specific conditions. Write the condition for questions in not more than two sentences.
`2-`Methyl propene can be converted into isobutyle bromide by hydrogen bromide.

Following statement is true only under some specific conditions. Write the conditions for that in not more than two sentences “The heat energy q, absorbed by a gas is DeltaH ”

Each of the following statements is true only under some specific conditions. Write the condition for each sub-equation in not more than two sentences. (i) Metals can be recovered from their ores by chemical methods. (ii) High purity metals can be obtained by zone refining method.

The following statements is true only under some specific conditions. Write the conditions for the following statement in not more than two sentences. The heat energy q absorbed by a gas is DeltaH .

The following statements is true only under some specific conditions. Write the condition for it "Two volatile and miscible liquids can be separated by fractional distillation into pure components."

Under what conditions can 2-methylpropene be converted into iso butyl bromide on reacting with HBr?

Write the condition for each subquestion in not more than two sentences Ethyne and its derivatives will give white precipitate with ammonical silver nitrate solution.

The following statements are true under certain conditions. Mention condition in each case. (i) Hydrogen reacts with nitrogen to form ammonia. (ii) Hydrogen can be prepared from water at ordinary temperature. (iii) A metal will liberate hydrogen by its reaction with dilute H_(2)SO_(4)

Consider the following statements about othro and para-hydrogen I. In orhto-hydrogen, the spin of protons are in the same direction . II. Orthro-hydrogen is more stable than the para from in the ambident condition. III. At ordinary temperature,ordinary hydrogen is a mixture of about 75% para and 25% ortho forms , IV. Two forms have similar chemial properties but differ in physical propertise like specific heat and thermal conductivity. Which of the statements given above are correct ?