Class 12 Chemistry Important Questions Class 12 Chemistry Important Questions Que 1. Analysis shows that nickel oxide has the formula 0.98 NiO. What fraction of the Nickel exists as Ni2+…

Aldehyde Ketone and Carboxylic Acid Aldehyde Ketone and Carboxylic Acid Que 1. The IUPAC name of the compound having the molecular formula Cl3C – CH2CHO is (a) 3, 3, 3-…

Electrochemistry Quiz Class 12 Chemistry The quiz Electrochemistry Quiz Class 12 Chemistry covers the whole chapter. The questions asked are important for both board examinations and various competitive examinations such…

Multiple Choice Questions Redox Reaction Class 11 Multiple Choice Questions Redox Reaction Class 11 Que 1. Among NH3, HNO3, NaN3 and Mg3N2 the number of molecules having nitrogen in negative…

Difference Between Atom and Element Difference Between Atom and Element When you are studying chemistry, terms like pure substance, elements, compounds, and atoms are the most commonly used terms amongst…

Law of Constant Proportion Law of Constant Proportion The combination of elements to form compounds is governed by the following five basic laws: Law of Conservation of Mass Law of…

Reactivity Series of Metals Reactivity Series of Metals The metal reactivity series is a very important concept in chemistry, placing the metals, in order of reactivity from most reactive to…

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ASSIGNMENT ON REDOX REACTION (UNSOLVED) SOLUTIONS OF ASSIGNMENT ON REDOX REACTION (UNSOLVED) SOLUTIONS OF ASSIGNMENT ON REDOX REACTION (UNSOLVED) Ans 1.  (d) Oxidation of Cu atoms. Reason: When copper turnings…