Questions

One step in the production of hydroelectric power involves _____.

In a computer, what is the name of the high speed memory used

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.

The _____ of energy in India are met from both commercial and non commercial sources. The most _____ sources of energy today are coal and natural gas, hydro
electricity and nuclear power. On the other hand, firewood, cow-dung cakes and vegetable waste etc. _____ non commercial forms of energy. While non commercial
forms of energy _____ demand, coal is the _____ source of commercial energy in India.

and non commercial sources. The most _____ sources of energy today are coal and natural gas

Among chemical properties, Mendeleev concentrated on the compounds formed by the elements with

Which of the following can undergo sublimation?

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

She ______ recovering in the hospital.

Which of the following is not true about Ajanta Caves?

If a+1a2 = 3, then the value of a18+ a12+a6 + 1 is