Chemistry Test ...

The element with atomic number 35 belongs to:

Which one of the following statements regarding Henry's law is not correct?

An aqueous solution contains an unknown concentration of \(\mathrm{Ba}^{2+}\). When \(50 \mathrm{~mL}\) of a \(1 \mathrm{M}\) solution of \(\mathrm{Na}_2 \mathrm{SO}_4\) is added, \(\mathrm{BaSO}_4\) just begins to precipitate. The final volume is \(500 \mathrm{~mL}\). The solubility product of \(\mathrm{BaSO}_4\) is \(1 \times 10^{-10}\). What is the original concentration of \(\mathrm{Ba}^{2+}\) ?

Which of the following statements about acid strength is false?

Which of the following compounds is an allyl bromide?

Organic compound having covalent bond is:

Which gas is released by factories and automobiles that is harmful to life?

On addition of small amount of \(\mathrm{KMnO}_4\) to concentrated \(\mathrm{H}_2 \mathrm{SO}_4\), a green oily compound is obtained which is highly explosive in nature. Identify the compound from the following.

Which of the following does not give a silver mirror test with Tollen's reagent?

Which of the following statements is correct for fibres?