Questions

Which of the following gases is known as "Laughing Gas"?

The APC can be defined as the fraction of a:

In which month does the Earth's Perihelion position occur?

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

When the kerosene burned, the fuel in the tank below would be __________ pressure, and __________a small circular flame would appear in the burner.The valve had to be opened to let more kerosene vapour to the burner and pumping resumed. With the increase in pressure, the burner flame would spread _________ a loud noise. To lower the flame,the valve had to be _________ opened to reduce the pressure and then tightened until the desired flame size was achieved. _________ you wanted the flame to be bigger, you had to hit the piston again. Pump stoves are still in vogue.

was achieved. _________ you wanted the flame

The outermost layer of sun is called

The secret Zuma Mission for United States government has been launched on board of SpaceX’s ______ rocket.

What is organic matter in soil is also called

What is the process of waste water treatment is commonly known?