For the following questions answer them individually
What is meaning of one unit carbon permit?
Due to the presence of which gas, does Brass get discoloured in air?
Which of the following is the most commonly used bleaching agent?
Which of the following elements is present in Chlorophyll?
The stings of some species of ants gives a burning sensation to the skin and itchiness. This is because of of the presence of … acid in their jaws.