Chemistry Catalytic converters are generally made from : Transition metals Alkaline metals Carbon Hydrogen Transition metals Alkaline metals Carbon Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Greenhouse effect is caused by Nitrogen dioxide Nitrogen Carbon monoxide Carbon dioxide Nitrogen dioxide Nitrogen Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because It is lighter than air Its atomic number is 2 It is one of the constitutents of water It is a noble gas It is lighter than air Its atomic number is 2 It is one of the constitutents of water It is a noble gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has a maximum tendency to form M3 ion ? Bi N As P Bi N As P ANSWER DOWNLOAD EXAMIANS APP
Chemistry The third shell of an atom can have a maximum of ______ electrons 13 18 21 15 13 18 21 15 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Colour imparted to the Bunsen flame by strontium salt is Brick red Apple-green Bluish green Crimson red Brick red Apple-green Bluish green Crimson red ANSWER DOWNLOAD EXAMIANS APP
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