Who demonstrated that green plansts purifty the foul air produced by breathing animals and burning candles?

By observing given figure mark the given statement true or false. By this experiment Priestley hypothesized that plant restore to the air whatever breathing animal and burning candle remove.

Choose the correct answer and write its letter in the brackets: Plants restore to the air whatever breathing animals and burning candles remove this was hypothesized by……..

Magnesium burns in the air to produce

The following hypothesis, "Plants restore to the air whatever breathing animals and burning candles remove" was given by

Who demonstrated experimentally that sun light is essential to plants for purifying the air fouled by burning candle or breathing animals

What is the colour of the light produced when magnesium burns in air ?

Who conducted the experiments on mint sprig with burning candle?