Forward - DE, PR, AE Backward – NR, AD
The common name of hydrogen peroxide is:
The chemical name of ______ is sodium hydrogen carbonate.
What is used in cloud seeding to produce artificial rain?
Compressed natural gas (CNG) primarily consists of which gas?
The product of the equivalent weight and valency of an element equals its ______.
What does trypsin do?
Which of the following relation is correct?
The SI unit of acceleration is_________.
How can a mixture of sand and salt be separated?
What is the common characteristic of elements in the same group of the periodic table?
