Metals are generally soild. Which of the following metals is in the liquid state at room temperature?

Materials which can be drawn into wires are called ductile. Which of the following is not ductile material?

Metals are generally hard. Which of following metals is an exception and can be cut with a knife?

Metals generally react with dilute acids to produce hydrogen gas. Which of the following metals does not react with dilute hydrochloric acid?

Which of the following reacts with cold water vigorously?