Which acid is found in vinegar?
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 ?
Metallurgy is the process of:
Magnesium has atomic number as 12. Find out its valiancy.
What is the common name of sodium carbonate?
The insecticide gammexane is chemically known as:
What is the colour of the outer zone of complete combustion of candle flame?
Modern periodic table has ______ groups and ______ periods.
Which of the following is correct regarding isobars?
I. They have different atomic numbers
II. The have same mass numbers
_________is a formula for rust.