Q.1:- Schiff’s reagent is ? Magenta solution decolourised with sulphurous acid Magenta solution decolourised with chlorine Ammoniacal cobalt chloride solution Ammonical manganese sulphate solution Q.2:- […]
Q.1:- Chlorine is mixed in water so that ? Bacteria are killed Dirt is removed Water is cleaned Suspension is removed Q.2:- A colourless gas […]
Q.1:- The process of converting Hydrate Al2O3 into anhydrous aluminium is known as ? Smelting Roasting Calcination Dressing Q.2:- The salt which is least likely […]
Q.1:- The product of equivalent weight and valency of an element is equal to ? Vapour Density Specific Heat Atomic Weight Molecular Weight Q.2:- Which […]
Q.1:- Why are noble gases are called so ? [CDS Exams 2006] They react quickly with other compound Due to their chemical inertness They react […]
Q.1:- The formula of Haematite is ? Fe3O4 Fe2O3 FeCO3 FeS2 Q.2:- Iron is rendered passive by treatment with ? HNO3 H2SO4 HCl H3PO4 Q.3:- […]
Q.1:- The degree of dissociation of an electrolyte depends on ? [ SSC Exams 2013] Atmospheric Pressure Method of Dissolution Dilution Impurities Q.2:- When a […]
Q.1:- Which of the following is a mixture ? Distilled water Gasoline Liquefied Petroleum Gas Both (B) & (C) Q.2:- The discovery of Neutron became […]
Q.1:- Milk is a ? Mixture Element Metal None of these Q.2:- Which one of the following mixture is homogeneous ? Starch and Sugar Methanol […]
Q.1:- Activated charcoal is employed to remove colouring matter from pure substance, it works by ? Bleaching Oxidation Reduction Adsorption Q.2:- Important ore of lead […]
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