Advertisements
Advertisements
Question
Metals are generally solid. Which of the following metals is in the liquid state at room temperature?
Options
Mercury
Silver
Aluminium
Sodium
Solution
Mercury
Explanation -
Mercury metal is in the liquid state at room temperature.
APPEARS IN
RELATED QUESTIONS
An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be:
Give reasons why copper is used to make hot water tanks and not steel (an alloy of iron).
A solution of _________________ in water is green in colour.
(a) CuSO4
(b) FeSO4
(c) ZnSO4
(d) Al2(SO4)3
Explain the following reaction with the help of a balanced chemical equation:
Magnesium reacts with hot water.
What happens when a rod of zinc metal is dipped into a solution of copper sulphate? Give chemical equation of the reaction involved.
Which of the following pair of reactants can undergo a displacement reaction under appropriate conditions?
(a) MgSO4 + Fe
(b) ZnSO4 + Fe
(c) MgSO4 + Pb
(d) CuSO4 + Fe
An element X forms two oxides XO and XO2. The oxide XO has no action on litmus solution but oxide XO2 turns litmus solution red.
(a) What is the nature of oxide XO?
(b) What is the nature of oxide XO2?
(c) Would you call element X a metal or a non-metal? Give reason for your choice.
(d) Can you give an example of element like X?
Explain the following:
Reactivity of aluminium decrease if it is dipped in nitric acid.
Arrange the following metals in the increasing order of their reactivities:
Copper, Zinc, Aluminium, and Iron
The substance that will be flattened on beating with a hammer is
