Why sodium hydroxide is much more water soluble than chloride ?

Write the chemical equations for the reactions involved in solvay process of preparation of sodium carbonate.

An alkali metal (x) forms a hydrated sulphate, X₂SO₄ • 10 H₂O. Is the metal more likely to be sodium (or) potassium.

Why alkaline earth metals are harder than alkali metals.

Which would you expect to have a higher melting point magnesium oxide or magnesium fluoride ? Explain your reasoning.

Why does lithium exhibit anomalous properties?

Give the applications of strontium with respect to nuclear chemistry.

Which one of the following alkaline earth metal carbonates is thermally the most stable?
(a) MgCO₃
(b) CaCO₃
(c) SrCO₃
(d) BaCO₃

Complete and balance the following equations.
(i) Li + H₂O ⟶ ...,
(ii) Na + C₂H₅OH ⟶ ...,
(iii) CH ≡ CH + Na ⟶ ...,

How would you explain the following observations?
(i) BeO is almost insoluble but BeSO₄ is soluble in water.
(ii) BaO is soluble but BaSO₄ is insoluble in water.
(iii) LiI is more soluble than KI in ethanol.

What are ideal gases? In what way real gases differ from ideal gases.

Suggest why there is no hydrogen (H₂) in our atmosphere. Why does the moon have no atmosphere?

When the driver of an automobile applies brake, the passengers are pushed toward the front of the car but a helium balloon is pushed toward back of the car. Upon forward acceleration the passengers are pushed toward the front of the car. Why?

Would it be easier to drink water with a straw on the top of Mount Everest?

Give the characteristics of gases.

A steel tank contains carbon dioxide at 300 K and a pressure of 10 atm. Calculate the internal gas pressure when the tank gas is heated to 373 K.

Explain the term 'Boyle's point.' Mention is significance.

Mention the application of Dalton's law.

A mixture of gases contains 4.76 mole of Ne, 0.74 mole of Ar and 2.5 mole of Xe. Calculate the partial pressure of gases, if the total pressure is 2 atm. at a fixed temperature. Solve this problem using Dalton's law.

Explain Charles' law with an experimental illustration.