Start learning 50% faster. Sign in now
The correct answer is D
The SI unit of surface tension is:
During electrolysis the reaction at anode is?Â
A gas is compressed at constant temperature. Which of the following will decrease?
Two identical metallic spheres are charged. One has +Q charge, the other –Q charge. They are connected by a conducting wire. After equilibrium:
...
Which of the following is a characteristic of the acids?
When a metal reacts with dilute hydrochloric acid, it produces:
Which of the following processes is responsible for the rusting of iron?
A plane electromagnetic wave travels in vacuum along the z-direction. If the frequency of the wave is 20 MHz, what is its wavelength?
Which of the following is a conductor of electricity?
What are the elements which are liquids at room temperature and standard pressure?
 1. Helium
2. Mercury
3. Chlorine
4. Bro...