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37.	The lustrous non metal is
	A.  Iodine
	B.  Phosphorus
	C.  Sulphur
	D.  Boron

Answer

Ans: A Iodine

38.	The colouring agent used to get ruby red colour glass is
	A.  Cadmium sulphide
	B.  Selenium sulphide
	C.  Chromic oxide
	D.  Manganese oxide

Answer

Ans: B Selenium sulphide

39.	Anhydrous sodium carbonate is otherwise called as
	A.  Soda lime
	B.  Baking soda
	C.  Washing soda
	D.  Soda ash

Answer

Ans: D Soda ash

40.	Minerals are
	A.  Gases
	B.  Inorganic solid
	C.  Liquids
	D.  All of the above

Answer

Ans: B Inorganic solid