(A) Because it is transparent
(B) Because it is non-conductor
(C) Due to its quality of reflecting light
(D) Because of its density
Tag: Inorganic Chemistry
In colourful diamond different colours are present due to?
(A) Angular bonds between the carbon atoms
(B) Different patterns of carbon chains
(C) Impurities
(D) None of the above
Which is used for silvering of mirror?
(A) Pitchblende
(B) Zinc Nitrate
(C) Silver oxide
(D) Silver Nitrate
Raw materials used for manufacturer of glass are?
(A) Sand, Sulphur and Soda
(B) Sand, Charcoal and Soda
(C) Limestone, Charcoal, Sulphur
(D) Sand, Soda, Limestone
Solder is an alloy of?
(A) Zinc and Lead
(B) Tin and Zinc
(C) Zinc and Copper
(D) Tin and Lead
Why does milk curdle?
(A) Reaction of microbes
(B) Fungus growth
(C) Fermentation of lactose
(D) None of the above
Common name for the compound having formal NaOH is?
(A) Caustic potash
(B) Caustic soda
(C) Sodium hydroxide
(D) Soda ash
Setting of plaster of paris involves?
(A) Hydration to form other hydrates
(B) Dehydration process
(C) Oxidation process
(D) Reduction process