When a student heated a colourless solid compound, then brown fumes of a gas are evolved. The colourless solid is most likely to be :

Which of the following oxides of nitrogen is colourless solid ?

A crystalline solid dissolves in walur lo give colourless solution. On addition of aqueous silver nitrate, a yellow precipitate is formed. The solid is most likely to be

A white solid reacts with dil. HCL to give colourless gas that decolourise aqueous bromine. The solid is most likely to be:

Look at the diagram on the right side, jar A contains a red-brown gas whereas jar B contains a colourless gas. The two gas jars are separated by a glass plate placed between them What will happen when the glass plate between the two jars is pulled away ? What name is given to the phenomenon which takes place ? Name the brown gas which could be in jar A. (d) Which is the colourless gas most likely to be present in jar B ? (e) Name one coloured solid and one colourless liquid which can show the same phenomenon

Acetic acid was added to a solid 'X' kept in a test tube. A colourless and odourless gas was evolved. The gas turned lime water milky when passed through it. Predict the nature of the solid.