For which of the following the resistance decreases on increasing the temperature

For which of the following substances resistance decreases with increase in temperature ?

For which of the following substances, resistance decreases with increase in temperature?

For which of the following substances, resistances decreases with temperature ?

Choose correct alternative. In which one of the following substances the resistance decreases with increase in temperature?

Resistance increases with increases in temperature for

Resistance increases with increases in temperature for

In which of the following compound the solubility decreases with increase of temperature ?

The solubility of most ionic solids increases with increasing temperature. However, there are many exceptions to this rule. Which of the following salts shows a decrease in the solubility as the temperature goes up?