Which of the following is not a neutral oxide?
1 Carbon monoxide
2 Sulphur dioxide
3 Nitric oxide
4 Water
In modern science, what is 'fourth dimension'?
Which variety of glass is heat resistant? 1 Hard glass 2 Flint glass 3 Pyrex glass 4 Bottle glass
What is the colouring matter in plants called
who is the father of sex?
Radioactive disintegration of uranium ultimately results in formation of 1 Radium 2 Thorium 3 Polonium 4 Lead
Which of the following is used as a coolant in nuclear reactors? 1 Heavy water 2 Cadmium 3 Liquid sodium 4 None of these
2 Answers WBCS West Bengal Civil Service,
Which are known as non - luminous irregular nebulae?
the basic approach to science was established by:
Rayon is chemically 1 Glucose 2 Amylase 3 Cellulose 4 Pectin
Why is it necessary to cook food ?
The Indian variety of which of the following plant has been proved to be the greatest pollution fighter in India: 1) Tea 2) Jute 3) Mustard 4) Groundnut
The recent atomic weight scale is based on 1 1H1 2 1H2 3 6C12 4 8O16