List of practice Questions

Which one is made of dead cells :
Nodules with nitrogen-fixing bacteria are present in :
Which of the following is not a green-house gas ?
Kala-azar is caused by :
Sodium metal is usually stored under :
Galvanized Iron (GI) sheets are coated with :
The most abundant element found in the earth's crust is :
Calamine is an ore of which of the following ?
The red colouring pigment Haemoglobin in our blood contains which metal ?
Which of the following organic compounds will exhibit Geometrical Isomerism ?
Natural Rubber obtained from Rubber tree is basically a polymer of :
Which was the first organic compound synthesized in the laboratory ?
Which of the following is a member of the Halogen family ?
The metal most commonly used for making filament of an electric bulb is :
When water is poured over sodium peroxide, which colourless gas is produced ?
The most abundant gas found in the earth atmosphere is :
Select from the following a set of three metals which are found in free state :
The gas which may cause explosion in coal mines is :
Which of the following is the most electronegative element in the periodic table ?
A gel toothpaste is a mixture of a :
During summer, water kept in an earthern pot becomes cool because of the phenomenon of :
The Chemical symbol for tin is :
The speed of light is :
The charge of electron is :
The coil of a solenoid is made from :