Chemistry The oxidation number of nickel in K4[Ni(CN)4] is 4 8 –4 Zero 4 8 –4 Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following vegetable oils does not contain essential fatty acids ? Coconut oil Groundnut oil Mustard oil Sunflower oil Coconut oil Groundnut oil Mustard oil Sunflower oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry When Hydrogen starts burning in air, it produces ? Ammonia Water Carbonic Acid Methane Ammonia Water Carbonic Acid Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry When water itself combines chemically with some element or mineral it is called Desilication Hydration Carbonation Oxidation Desilication Hydration Carbonation Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electric iron has a heating element made of : Tungsten Zinc Nichrome Copper Tungsten Zinc Nichrome Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lustre of the metals is because of Absorption of light due to the presence of cavities Reflection of light due to the presence of free electrons High density, due to closed packing of atoms High polish Absorption of light due to the presence of cavities Reflection of light due to the presence of free electrons High density, due to closed packing of atoms High polish ANSWER DOWNLOAD EXAMIANS APP
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