Which mineral is present in monazite sand?
A.Thorium
B.Talc
C.Mica
D.Galena
A
This is a factual question on Basic Chemistry and is answered from standard reference knowledge.
On the basis of the established fact in this area, the matching option is: Thorium.
Hence, the correct answer is Thorium.
Which term refers to the quantitative study of reactants and products in a chemical reaction?
Which of the following pair is correct?
I. Isotopes – different mass numbers
II. Isobars – different atomic numbers
Which of the following is a zone of a flame?
I. Dark
II. Luminous
III. Non-Luminous
The volume of CO 2liberated at STP when 10 gm of 90% pure limestone strongly heated is
Water can dissolve more substances than any other liquid because
An alloy is: