Generally covalently bonded molecules ______.
I. have high boiling and melting point as compare to ionically bonded molecules
II. poor conductors of electricity
III. have weak intermolecular force
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According to ohm's law, which of the following is true?
Which of the following pairs is INCORRECT?
I. Haematite : Iron
II. Pitchblende : Copper
III. Monazite : Thorium
Select the figure that does not belong in the following series
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.
Which among the following is NOT a member of any of the two Houses of the Indian Parliament?
I. Prime Minister of India
II. Finance Minister of India
III. President of India
Cos2 90° + Cosec2 90° - Cot2 45° = ?
ΔXYZ is right angled at Y. If sinX = 4/5, then what is the value of cosZ ?