List of top Science Questions

The substances that take part in a reaction are called
Which of the following is a natural resource?
Which of the following is a forest-based industry?
Which of the following is the primary source of energy in fossil fuels?
Elements from group 13 to 18 are called
How many bonds are found between the two atoms of a molecule of oxygen gas (O$_2$)?
Which of the following elements has the highest number of valence electrons?
‘Ahar and Pyne’ is the water harvesting system of which state?
Which of the following is responsible for the depletion of the ozone layer?
Which of the following is a pollution-free source of energy?
Which of the following groups form the Dobereiner’s triad?
The molecular formula of ozone is
Which of the following compounds can be used as fuel?
Benzene reacts with nitric acid in the presence of concentrated sulphuric acid to form
Which of the following is liquid at room temperature?
The IUPAC name of CH$_3$CH$_2$CH$_2$OH is
Which gas is not released when fossil fuels are burnt?
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?
Which of the following is the main component of biogas?
The electrical resistivity of silver at 20$^\circ$C is
Tincture iodine solution is prepared in
The action of an electric motor is based on
The substances which get decomposed by biological process are