In soil, heat transfer is mainly due to
Conduction is the transfer of heat by molecular activity. As the first molecules are heated, they are speeded up and this energy is transferred to adjacent molecules. In soil, heat transfer is mainly due to conduction
What is the colour of the outer zone of complete combustion of candle flame?
Atomic number =
Absolute alcohol is prepared from rectified spirit by using the following process :
Which of the following statement is/are true?
I. Metal oxides are acidic in nature
II. Non-metallic oxides are basic in nature
The word “acid” comes from a ________ word.
The chemical name of ______ is sodium hydrogen carbonate.
_________is a formula for rust.
What is the common name of sodium carbonate?
The SI unit of acceleration is_________.
The insecticide gammexane is chemically known as:
