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

The conjugate acid of \[\ce{CO^2-_3}\] is ____________.

At constant temperature, a quantity of an ideal gas occupies 50 mL at 500 mmHg pressure. At what pressure, the volume will be 100 mL?

Identify the enzyme X in the following reaction.

\[\ce{H2O2(aq) ->[x] H2O(l) + \frac{1}{2} O2(g)}\]

Identify the element having highest enthalpy of atomisation from following.

Which among the following lanthanoids, shows only +3 oxidation state?

Which of the following compounds reacts with ammonia to form urotropine?

Identify the enzyme that catalyses the reaction of CO₂ with water in huma body.

Which among the following amino acids has lowest molar mass?

Which of the following is a lanthanoid?

Find INCORRECT statement with reference to NICAD cell.

A cold drink bottle contains 200 mL liquid, in which CO₂ is 0.1 molar. Considering CO₂ as an ideal gas the volume of the dissolved CO₂ at S.T.P is ______.

The bacteriostatic antibiotic from the following is ______.

In the reaction, \[\ce{C6H5COCH3 ->[{[H]}][Zn-Hg/conc. HCl] X}\], X is ______.

For the conversion of oxygen to ozone in the atmosphere, nitric oxide in gaseous phase acts as ______.

The unit of ideal gas constant (R) is ____________.

β-pleated sheets of polypeptide chains are present in ______.

Identify the CORRECT statements from the following.

(I) Both lanthanoids and transition metals show magnetism.

(II) Both lanthanoids and actinoids form oxocations.

(III) Both lanthanoids and actinoids show decrease in ionic radius with an increase in atomic number.

(IV) Both lanthanoids and transition metals show fixed geometries.

For an ideal gas, at constant temperature and pressure, the volume is ____________.

Which is the gas evolved when carboxylic acids react with strongly electropositive metals (such as Na, K, Ca, Zn)?

At a constant pressure, an ideal gas has a volume of 200 cm³ at 25°C. If the gas is cooled to −3°C, what will be the final volume of a gas?