When a blackened platium wire is heated gradually, it apears

When petroleum is heated gradually, first batch of vapours evolved will be rich in:

A black platinum wire, when heated, first appears dull red, then yellow, then blue and finally white. Explain.

When pertroleum is heated gradually, the first batch of vapours will be rich in

What happens when aluminium wire is heated in air? Give equation.

The molar heat capacity at constant pressure of nitrogen gas at STP is nearly 3.5 R . Now when the temperature is increased, it gradually increases and approaches 4.5 R . The most approprite reason for this behaviour is that at high temperatures

State what happens when orthoboric acid is heated gradually.

IF the tension in a wire increases gradually to 6kg, the elongation of the wire becomes 1.13mm. Calculate the work done.