Mendeleev Periodic Table PDF Mendeleev’s Periodic Law (i) Properties of elements are periodic functions of their atomic weights. (ii) The elements are arranged in the increasing order of their…

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Acetic Acid Formula Acetic Acid Formula Ethanoic Acid or Acetic Acid (CH3COOH): a) Ethanoic acid is very popular by its common name i.e., acetic acid. It is generally present in…

Carbon and Its Compounds Extra Questions Carbon and Its Compounds Extra Questions Que 1. What would be the electron dot structure of carbon dioxide which has the formula CO2? Ans…

Chemical Reactions and Equations Class 10 MCQ With Answers Chemical Reactions and Equations Class 10 MCQ With Answers Que 1. The reaction of ‘magnesium’ with air is (a) Exothermic reaction…

NCERT Solutions for Class 10 Science Chapter 4 NCERT Solutions for Class 10 Science Chapter 4 Que 1. What would be the electron dot structure of carbon dioxide which has…

Chemical Reactions And Equations Class 10 Notes Chemical Reactions And Equations Class 10 Notes Physical Change  Change in physical properties. Melting Boiling Condensation Note- No change occurs in the identity 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…

Periodic Classification of Elements Periodic Classification of Elements Multiple Choice Questions Que 1. The valence shell electronic configuration of transition elements is (1) ns1             (2) ns2np5        (3) ns 1–2 (n…

Assignment Matter In Our Surroundings Assignment Matter In Our Surroundings This post Assignment Matter In Our Surroundings is about various solved questions of the chapter Matter In Our Surroundings.  …