Water which is held by forces of surface tension as continuous film around soil particles and is available to plants is known as
Water which is held by forces of surface tension as continuous film around soil particles and is available to plants is known as capillary water.
______is used to coat Galvanised Iron.
Which of the following glass absorbs ultraviolet rays which are harmful for the eyes.
Which compound/acid commonly known as Aspirin?
Iron, Nickel and Cobalt are the examples of
Protons were discovered by
Potassium Permanganate is used for purifying drinking water, because it –
What is the pH value of pure water ?
Which of the following gas is used to fill balloons.
Amalgam is a mixture of
Aqua regia, which can dissolve gold, is a freshly prepared mixture of concentrated hydrochloric acid and concentrated ______.