Name two elements which are liquid at room temperature.

Name two elements that are mobile in plants.

Give two reasons to justify- an iron almirah is a solid at room temperature.

State whether the following statements are true or false: All metals exist in solid state at room temperature.

A sphere ,a cubeand a thin circular plate,all made of the same meteriel and having the same mass are initially heated to a temperature of 200°C .Which of them will cool fastest and which one slowest when left in air at room temperature?

Name two elements that are immobile in plants.

Give two reasons to justify- Water at room temperature is a liquid.

Name three elements which are d-block elements but not transition elements.

Name the element which activates catalase.