Chemistry Among the following, carbonate ore of Zinc is Zincblende Calamine Zincite Sphalerite Zincblende Calamine Zincite Sphalerite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of Iron is : Pig iron Wrought iron Steel Cast iron Pig iron Wrought iron Steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because Its atomic number is 2 It is a noble gas It is one of the constitutents of water It is lighter than air Its atomic number is 2 It is a noble gas It is one of the constitutents of water It is lighter than air ANSWER DOWNLOAD EXAMIANS APP
Chemistry The absolute temperature of a gas is doubled and the pressure is reduced to half, the volume of the gas Remains unchanged Will be reduced to half Will increase four-fold Will be doubled Remains unchanged Will be reduced to half Will increase four-fold Will be doubled ANSWER DOWNLOAD EXAMIANS APP
Chemistry The resources which can be used continuously, year-after -year are called Non-renewable Biotic Renewable Abiotic Non-renewable Biotic Renewable Abiotic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zone refining is used for the purification of Au Ge Cu Ag Au Ge Cu Ag ANSWER DOWNLOAD EXAMIANS APP