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Percentage of Potassium Iodide in Iodized salt by weight is : 2.00 , 2.02 , 0.20 , 0.1
Transition temperature for Rhombic and Monoclinic sulphur is : 95°C , 96°C , 97°C , 98°C
Which compound is used in fire extinguishers : Sodium carbonate , Sodium hydrogen carbonate , Calcium carbonate Calcium , carbon dioxide
Oxidation state of hydrogen in NaH is : 2 , 1 , -1 , -2
Number of carbon atoms in molecule of simplest Bucky Balls is : 30 , 40 , 50 , 60
The catalyst used in hydrogenation process is : Zn , Pt , Ni , Fe
Carbon has allotropic forms : 2 , 4 , 5 , 8
The addition of electron in atom or ion is : Sublimation , Evaporation , Oxidation , Reduction
In preparation of oxgygen from potassium chlorate the catalyst used : MnO2 , ZnO , Cr2O3 , Pt
The element used in manufacturing of matches, gun powder and explosives is : C , N , O , S
The formula of oleum is : H2SO4 , NaAlO2 , K2Cr2O7 , H2S2O7
Which member of Halogen family used to sterilizing drinking water : F2 , Cl2 , Br2 , I2
On industrial scale chlorine is prepared by the process : Oxidation , Reduction , Evaporation , Electrolysis
The methane gas evolved from mine of coal is : Fire damp , Natural damp , Oxy damp , Sulpho damp
The two consecutive member in a homologous serial differ their molecular formula by : CH4 , CH3 , CH2 , CH
The material helps in absorption of shoe polish in leather is : Bees wax , Turpentine oil , Sodium hydroxide , Pearl ash
Barium sulphate is used in paint industry as: Pigment , Drying oil , Thinner , Fillers