MgO +H₂O =

Which one of the following gas burns with the "pop" sound?

Which one of the following metal reacts vigorously with oxygen and water?

When MgO is dissolved in water, Mg(OH)2 is obtained. The solution thus obtained is _______________ in nature.

Identify the non-metal which exists in a liquid state in room temperature 25∘C.

What is the chemical formula of copper sulphate?

When magnesium reacts with water and oxygen, what can we observe?

Which of the following pairs of compounds undergo displacement reaction when they react with each other?

When zinc reacts with dilute sulphuric acid, a salt is formed with the release of a gas. The gas produced during this puts off a burning candle with a pop sound. The gas evolved during this reaction is:

4Fe + _________ + 2H₂O = 2fe₂O₃H₂O

Zinc + Sulphuric = Zinc Sulphate + ______________

Zinc reaction with water produces_________.

Metals react with acids to produce _____________.

Metal react with oxygen to produce _________ oxides and non-metal react with oxygen to produce_________ oxides.

The presence of _________ and _________ are necessary for iron to rust.

Chemical name of Potassium is :

Chemical name of Sodium is :

Mercury is more reactive than Sodium.

Potassium is highly reactive while Platinum is least reactive.