Chemistry Ozone layer is present in Troposphere Ionosphere Exosphere Stratosphere Troposphere Ionosphere Exosphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used for making aircrafts and rockets is Copper Aluminium Nickel Lead Copper Aluminium Nickel Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following molecules has a bond order of 2.5 CO F2 HCL NO CO F2 HCL NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is More stable More abundant than hydrogen Lighter than hydrogen Non-combustible More stable More abundant than hydrogen Lighter than hydrogen Non-combustible ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not coal variety? Peat Bituminous Dolomite Lignite Peat Bituminous Dolomite Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is obtained from sea weeds ? Iodine Sulphur Vanadium Argon Iodine Sulphur Vanadium Argon ANSWER DOWNLOAD EXAMIANS APP
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