Ammonium Hydroxide is used in …… cleaning.

Methyl Orange gives red colour with

Methyl Orange gives yellow colour with ……

Pickles, jams, jellie‘s are not preserved in container:

Copper reacts with and forms blue-green layer.

Henry Cavendish, an Italian discovered

Acid rains are the combination of ….. acids.

Egg shells release …… gas when it reacts with acids.

One of the following manure increase salinity of the soil

Ammonium Hydroxide is useful to remove stains of

Aluminum hydroxide is useful to stop

We lose some salts through

Carbonic acids present in …

When lime water is sprayed on turmeric paper, its colour is

Following is a natural indicator