The source of energy of the sun is
The transformation of Hydrogen atoms into Helium atoms with an emission of vast amount of energy is called nuclear fusion which is the source of energy for the Sun.
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The capacity of a stream is directly related to its
Which of the following statements are CORRECT?
I. Oxides of metals are generally basic.
II. Oxides of non-metals are generally acidic.
III. Non-metals are generally electro positive.
The Sum of three consecutive numbers is 126.Find the highest number.
Read the following information and answer the questions given below:
A has 28 elements, B has 32 elements and A U B has 40 elements.
How many elements does A ∩ B have?
Which of the following Harappan sites was not located in Gujarat?
An object is placed at the centre of curvature of a concave mirror. Its image is formed at
_______contributes towards global warming so it is called a greenhouse gas.
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