LPG is a mixture of _______.
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Which of the following types of water is known to be absolutely free from any impurity?
Select the word with the correct spelling.
As the river enters the plain it twists and turns forming large bends known as ____________.
Which of the following is NOT a storage device?
The unit of which physical quantity is not pascal?
A stretch of sea water, partly or fully separated by a narrow strip from the main sea is called
If cosecA - cotA = x, then the value of x is