Chemistry The inert gases are ____ in water sparingly soluble insoluble soluble None of these sparingly soluble insoluble soluble None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and acetic acid Nitric acid in excess Nitric acid and acetic anhydride Nitric acid and ethyl alcohol Nitric acid and acetic acid Nitric acid in excess Nitric acid and acetic anhydride Nitric acid and ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals can displace copper from copper sulphate solution ? Gold Mercury Platinum Iron Gold Mercury Platinum Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The BOD values of water indicate the Amount of oxygen used for biochemical reduction Amount of ozone used for biochemical oxidation Amount of organic debris Amount of oxygen used for biochemical oxidation Amount of oxygen used for biochemical reduction Amount of ozone used for biochemical oxidation Amount of organic debris Amount of oxygen used for biochemical oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of Iron is : Pig iron Cast iron Wrought iron Steel Pig iron Cast iron Wrought iron Steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The third shell of an atom can have a maximum of ______ electrons 21 13 18 15 21 13 18 15 ANSWER DOWNLOAD EXAMIANS APP
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