The correct answer is A
Which acid is found in vinegar?
The most abundant metal in the Earth's crust is:
The chemical name of ______ is sodium hydrogen carbonate.
Ethane gas has a slightly _____ taste.
What are diatoms?
The SI unit of acceleration is_________.
What is heavy water?
Which of the following pair of element – atomicity is correct?
I. Helium – monoatomic
II. Oxygen – triatomic
Modern periodic table has ______ groups and ______ periods.
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 ?
