Chemistry Solved Questions and Answers Sets

Q.1:- Sulphur sol contains ? Discrete sulphur atoms Discrete sulphur molecules Large aggregates of sulphur molecules Water dispersed in solid sulphur Q.2:- Soap helps in […]

Q.1:- A bond formed by sharing of electrons between atoms of the elements is called ? Ionic Bond Covalent Bond Co-ordinate Bond None of the […]

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 […]