Fill in the blanks to complete the following paragraph.
The name of the product formed in the reaction of sulphur and _____________ is sulphur dioxide gas. When sulphur dioxide is dissolved in_________________, sulphurous acid is formed. The sulphurous acid turns _____________ litmus paper to ____________. Generally oxides of __________ are acidic in nature.
After completing the paragraph write two questions which you can raise on the basis of this information.
The name of the product formed in the reaction of sulphur and oxygen is sulphur dioxide gas. When sulphur dioxide is dissolved in water, sulphurous acid is formed. The sulphurous acid turns blue litmus paper to red. Generally oxides of
non-metals are acidic in nature.
Questions that we can raise are:
(1) Mention the indicator used and the colour change to detect the presence of an acid?
(2) What is the nature of non-metal oxides?