HNT → H + 7 = O, O + 5 = T QXC → Q + 7 = X, X + 5 = C MTY → M + 7 = T, T + 5 = Y ELQ → E + 7 = L, L + 5 = Q
Which of the following is the richest source of phosphorus?
What is the chemical formula of bleaching powder?
Another name of Carborundum is
Which of the following is a non-metal?
Carbon-14 is produced in the Earth's atmosphere due to the interaction of nitrogen-14 with what type of rays?
What type of solution is an iodine tincture?
What is the main constituent of biogas?
What is the primary component in silver-colored paints?
What term is used for atoms that have the same number of protons but different numbers of neutrons?
Identify the pairing that is not correctly matched.
(I) Dry ice - Solid form of carbon dioxide
(II) Fullerene - An allotrope of hydr...
