List of practice Questions

Pressure in a mixture of $4 \,g$ of $O _{2}$ and $2\, g$ of $H _{2}$ confined in a bulb of 1 litre at $0^{\circ} C$ is

Which of the following are ${ }_{16} S ^{32}$ and ${ }_{15} Pb ^{31}$ ?

Which of the following transition elements shows the highest oxidation state?

Which of the following has maximum ionisation potential?

The solubility in water of sulphates down the $Be$ group is $Be > Mg > Ca > Sr > Ba$. This is due to

Oxidation state of osmium (Os) in $OsO_4$ is

Which of the following is the correct statement for $PH_3$ ?

Which of the following will not undergo hydrolysis in water?

The micro-organism grown on molasses and sold as a food flavouring substance is

Antibiotic flavicin is obtained from

Inflammatory response, in allergy, is caused by the release of

The function of renin is

Which of the following chambers of the heart has the thickest muscular wall?

Which gland plays a key role in metamorphosis of frog?? tadpole?

Anemophilous flowers have

When a bacteriophage, in its lytic phase, carries some of the bacterium partially digested chromosome with it to another host cell, the process is called

An element with atomic number $26$ will be found in group :

The covalent compound $ HCl $ has the ionic character as:

$ {{E}_{n}}=-\frac{313.6}{{{n}^{2}}} $ . If the value of $ {{E}_{n}}=-34.84 $ to which of the following values does $'n'$ correspond?

The pressure of atmosphere air is $ 720\text{ }mm $ . The pressure of water vapour in the air is:

The screening effect of $'d'$ electrons is:

The constant $'a'$ in van der Wall's equation is maximum in :

Pure propanone can be prepared by ozonolysis of:

Principle/which gives a way to fill the electrons in the available energy levels is:

Which compound is obtained when formaldehyde is treated with ammonia?