Income of man in 2020 = {31250/(1.25 × 1.25)} = Rs. 20,000
Which of the following is an example of a colloidal solution?
Sphagnum is an important bryophyte. Consider the following statements about it:
_________is a formula for rust.
100 gram of ice at 0°C is mixed with 100 gram of water at 80°C. What will be the final temperature of the mixture ?
_______ is a common name of ethanoic acid.
In a compound, the elements are always present in definite proportions by:
Activated charcoal is used to remove colouring matter from pure substances by which of the following process?
Which of the following metals is placed at the bottom of the reactivity series?
Terylene is a condensation polymer of ethylene glycol and which acid?
What is dehydration?
