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A major 'rule' many of us are familiar with is that 'between' is used with two persons or things
Who proposed the plum pudding model of the atom?
The slow corrosion of iron in the presence of moist air is known as:
What is the normal pH range of human blood?
Radon, used in radiotherapy, belongs to which group on the periodic table?
Which element is known as the 'King of Chemicals.
Which of the following is the richest source of phosphorus?
The elements with atomic numbers 10, 18, 36, 54 are-
Which material is not classified as a metalloid?
Which of the following glass absorbs ultraviolet rays which are harmful for the eyes.
Match the following gases with their typical uses:
List I (Gas) List II (Uses)
A) A...