Q1.Which metal is an exception and exists as a liquid at room temperature?

Q2.Which of the following metals has a very low melting point and can melt if kept on your palm?

Q3.Which non-metal, despite being a non-metal, exhibits lustrous property?

Q4.Which allotrope of carbon is known as the hardest natural substance and possesses a very high melting and boiling point?

Q5.Which allotrope of carbon is a conductor of electricity?

Q6.Which group of metals is so soft that they can be cut with a knife and typically have low densities and low melting points?

Q7.Based on Activity 3.8, what is the nature of the product formed when magnesium ribbon is burned and its ashes are dissolved in water?

Q8.Based on Activity 3.8, what is the nature of the product formed when sulphur powder is burned and its fumes are collected and dissolved in water?

Q9.What kind of oxides do most non-metals produce when dissolved in water?

Q10.What kind of oxides do most metals give rise to?