Questions

1 kWh = __________ × 106J.

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

In which Schedule to the Constitution of India is the list of States and Union Territories given?

The energy released by 1 gram of glucose is

Which  of  the  following  substances  cause temporary hardness in water?

1. Mg(HCO3)2

2. Ca(HCO3)2

3. CaCl2

4. MgSO4

Lime water becomes white due to which gas?

Which of the following statements about the usage of the term ‘barbarian’ is/are correct?

1. It is derived from the Greek word ‘barbaros’ which means anon-Greek.

2. Romans used the term for the Germanic tribes, the Gauls and the Huns.

Select the correct answer using the code given below.

The gravitational force of attraction between two bodies is __________________ the product of their masses.