MAH-MHT CET (PCM/PCB) entrance exam Question Bank Solutions for Chemistry

Which among the following enzymes hydrolysis starch?

Excess of ammonia with sodium hypochloride solution in the presence of glue or gelatine gives ______.

What is the density of the solution of sulphuric acid used as an electrolyte in a lead accumulator?

Which of the following polymers is used to manufacture clothes for firefighters?

What is the geometry of a water molecule?

Tertiary structure of protein is stabilised by ______.

The number of bonding pairs and lone pairs of electrons present in the central atom of ammonia molecular are respectively.

A gas is heated from 273 K to 373 K at 1 atm pressure. If the initial volume of the gas is 10 L, its final volume would be ______.

What is the number of lone pair of electrons in IF₇?

Identify compound having square pyramidal-shape:from following.

Gas equation, pV = nRT is obeyed by a gas in ______.

Buna-N synthetic rubber is obtained by the copolymerisation of ______.

Which of the following can reduce?

\[\ce{RCOOH -> RCH2OH}\]

Choose the correct option.

Ethers are kept in air tight brown bottles because ______________.

Select the INCORRECT statement.

The CORRECT relationship between molar solubility (S) and solubility product (K_sp) for salt, Cr(OH)₃ is ____________.

The dissociation constant of a weak base (BOH) is 1.8 × 10⁻⁵. Its degree of dissociation in 0.001 M solution is ____________.

At T (K), the molar ionic conductivities of NH; and OH⁻ at infinite dilution are 72 and 198 S cm² mol⁻¹ respectively. The molar conductivity of 0.01 M NH₄OH solution at the same temperature is found to be 9 S cm² mol⁻¹. The percentage dissociation of NH₄OH at this concentration is ____________.

Identify the INCORRECT match.

When 2 moles of C₂H_6(g) are completely burnt, 3129 kJ of heat is liberated. If ∆H_f for CO_2(g) and H₂O_(l) are −395 and −286 kJ per mole respectively, the heat combustion of C₂H_6(g) is ____________.