Mix Test - 6...

The element 'X' which forms a stable product of the type XCl₄ is

A mixture of NH₄Cl and NaCl can be separated by

Among the following, the pair in which the first compound is ionic and the second compound is covalent is

In the reaction SO₂ + 2H₂S 3S + 2H₂O, the substance that is oxidised is

Sodium oxide dissolves in water to give sodium hydroxide, which indicates its

For an ideal gas, Boyle's law is demonstrated by

Arrange the pH values of the following solutions in the correct increasing order:

(i) 0.1 M HCl, (ii) 0.1 M KOH, (iii) Tomato juice, and (iv) Pure water

When calcium carbide is added to water, the gas evolved is

The atomic radii of the alkali metals follow the order

The number of possible structural isomers of C₃H₄ is

Which two of the following four compounds are isomeric?

(i) acetone, (ii) Propanol, (iii) Methyl acetate, and (iv) Propionic acid

One mole of nitrogen gas, on reaction with 3.01 10²³ molecules of hydrogen gas, produces

Saponification is

A concentrated solution of lead nitrate in water can be stored in

<sup>Given above are the solubility curves of KNO₃ and KCl.

Which of the following statements is not true?</sup>

Reaction of NaCl with conc. H₂SO₄ liberates a gas, X, which turns moist blue litmus paper red. When gas X is passed into a test tube containing eggshell powder suspended in water, another gas Y is generated which when passed through limewater, makes it milky. The gases X and Y, respectively, are

If 10 ml of an aqueous solution containing 222 mg of calcium chloride (molecular weight = 111) is diluted to 100 ml, then the concentration of chloride ion in the resulting solution will be

Aluminium reduces manganese dioxide to manganese at high temperatures. The amount of aluminium required to reduce one gram mole of manganese dioxide is

Ethanol on reaction with alkaline KMnO₄ gives X, which when reacted with methanol in the presence of an acid, gives a sweet smelling compound, Y. X and Y, respectively, are

The pH of a 10 ml aqueous solution of HCl is 4. The amount of water to be added to this solution in order to change its pH from 4 to 5 is