List of practice Questions

Which of the following is liquid at room temperature?
Benzene reacts with nitric acid in the presence of concentrated sulphuric acid to form
Which of the following compounds can be used as fuel?
Which of the following groups form the Dobereiner’s triad?
The molecular formula of ozone is
From which of the following does the induced current get direction?
The frequency of alternating electric current produced in India is
What will be the resistance of the wire when its length increases?
The electrical resistivity of silver at 20$^\circ$C is
Which gas is not released when fossil fuels are burnt?
Which of the following is the main component of biogas?
Tincture iodine solution is prepared in
The correct food chain is
The substances which get decomposed by biological process are
Waste can be managed by which of the following?
Which disease may primarily be caused in humans by ultraviolet (UV) rays of the Sun?
Which quantity is electric potential?
The action of an electric motor is based on
At what stage of foetus does safe abortion occur?
Which of the following is an artificial ecosystem?
Which substance cannot be decomposed in the environment?
The hormone that controls the symptoms of puberty in adolescents is
What are the objectives of the development of river valley projects?
Explain the importance of the means of transportation and communication in the development of the Indian economy.
Discuss the importance and conservation of minerals.