List of practice Questions

The atomic number of gold is:
Which of the following is a salt?
Depletion of the ozone layer is due to:
The hardest natural substance is:
How many crystalline allotropes of carbon are there?
Zinc blende is an ore of which metal?
How many bonds are there between two atoms in a molecule of nitrogen?
The general formula of alkyne is:
Kilowatt-hour (kWh) is the unit of:
The amount of light entering the human eye is controlled by:
How many phosphates are there in ATP?
Which of the following is not an excretory organ of humans?
The smallest endocrine gland is:
All acids dissolve in water to give:
Which of the following compounds is a weak acid?
What is the color of silver iodide?
Why is the colour of some clouds white?
The SI unit of resistance is:
Kidney helps in:
Photosynthesis takes place during:
Synaptic knobs are found in:
Which of the following has the fastest heartbeat?
Which of the following is a cellular fuel?
Which of the following equations is balanced?
Which of the following causes acid rain in industrial areas?