An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be
(a) calcium
(b) carbon
(c) silicon
(d) iron
(a) The element is likely to be calcium.
An element reacts with oxygen to give a compound with a high melting point.The element is likely to be
(A) Calcium
(B) Silicon
(C) Carbon
(D) Iron