Temperature of substance A is `100^@F` and temperature of substance of substance B is `100^@C`. Then say which of the following is correct.

Which of the following is a no magnetic substance?

Which of the following is crystalline substance_____

The most elastic among the following substances is

At what temperature entropy of a perfect crystalline substance is taken as zero?

The amount of heat required by 1 g of a substance for its 1^(@)C rise in temperature is called its

Which of the following substances conducts electricity?

A block of ice at temperature -20^@ C is slowly heated and converted to steam at 100^@C . Which of the following diagram is most appropriate?

Name a substance whose resistance decreases with in the increases in temperature.