What is the product obtained from the dehydration of glycerol?

An electric potential difference will be induced between the ends of the conductor shown in the diagram when the conductor moves in the direction:

Which of the following is an unsuitable habitat for algae?

On the centigrade scale,the temperature of a body increases by $30$ degrees. The increase in temperature on the Fahrenheit scale is ......... $^o$$F$.

Hypo is used in photography because of its

The maximum value of $\left(\frac{1}{x}\right)^{x}$ is