Quiz on metals

Which of the following metals is the most abundant in the earth’s crust?

• Aluminium

• Sodium

• Calcium

• Iron

Which of the following is a poor conductor of heat among the given metals?

• Sodium

• Calcium

• Lead

• Mercury

Why are chlorides of non-metals covalent?

• Because of electrons sharing

• Because they can donate electrons to chlorine

• Because they cannot share electrons with chlorine

• Because they donate electrons to chlorine forming chloride ions

Alloy of which of the following metals is called amalgam?

• Hg

• Zn and Cu

• Cu and Sn

• Pb and Sn

Which of the following non-metals is liquid at room temperature?

• Helium

• Carbon

• Mercury

• Bromine

Bauxite is an ore of

• Hg

• Al

• Fe

• Cu

Which of the following is the suspension of slaked lime in the water?

• Quick lime

• Milk of lime

• Lime water

• Soda water

Which of the following oxides is amphoteric?

• MgO

• Al₂O₃

• K₂O

• Na₂O

Which of the following is not ionic?

• Kcl

• Nacl

• Hcl

• CCl4

Aditi, Ananya, and Sanya are conducting an experiment to observe the properties of different non-metals. They found that one of the non-metals is lustrous. Which of the following non-metals is lustrous?

• Oxygen

• Sulphur

• Iodine

• Nitrogen