(A) Denim
(B) Sun
(C) Sirius
(D) Altair
Uppermost region of sun is called?
(A) Corona
(B) Lonosphere
(C) Photosphere
(D) Chromosphere
Light travels at 186282 miler per?
(A) Minute
(B) Second
(C) Hour
(D) Nanosecond
Which among the following coal contains 90% of carbon?
(A) Peat
(B) Lignite
(C) Anthracite
(D) Bitumen
Bauxite is an ore of which of the following metals?
(A) Iron
(B) Silver
(C) Tin
(D) Aluminium
During oxidation process electrons are?
(A) Gained
(B) Paired up
(C) Remains same
(D) Lost
Milk of magnesia is a suspension of?
(A) Magnesium chloride
(B) Magnesium hydroxide
(C) Magnesium carbonate
(D) Magnesium sulphate
Quartz is made of?
(A) Calcium silicate
(B) Sodium sulphate
(C) Calcium sulphate
(D) Sodium silicate