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Calcium ammonium nitrate: Nitrogen (N) 27 % (NH4- 13.5 %, NO3- 13.5 %) Calcium nitrate: Nitrogen (N) 15.5 %
According to Mendeleev’s Periodic law, the elements were arranged in the periodic table in the order of…………...?
Which of the following is not a simple machine?
In the elastic range of a material under tension, the ratio of stress to strain:
Which one of the following oxides reacts with both acid and base?
Which of the following solutions will not change the colour of blue litmus paper to red?
1. Acid solution
2. Base solution
3. Com...
The acceleration due to gravity on the surface of the Earth is approximately:
Which of the following is/are true with respect to Amoeba?
I. It is a multi-cellular organism.
II. It takes in food using temporary finger...
A spherical conductor of radius R is surrounded by a concentric spherical shell of radius 2R. The capacitance of this system is:
Light from the Sun reaches us in nearly