Which of the following is not a neutral oxide?

$(i)$ Name a metal which does not stick to glass.
$(ii)$ Name the metal which is commonly used in thermite welding.
$(iii)$ What is the nature of zinc oxide?

Which one of the following properties is not generally exhibited by ionic compounds?

Which of the following methods is suitable for preventing an iron frying pan from rusting?

What is the molecular formula of calcium silicate (slag)?

Alloys are homogeneous mixtures of a metal with a metal or non-metal. Which among the following alloys contains a non-metal as one of its constituents?