Q.4 An element reacts with oxygen to give a compound with a high melting point. | Unit3 Chemistry NCERT solution-Grade-10

Q.4 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

 

Answer:-

(a) The element is likely to be calcium