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10 Cbse Question Bank 2018-19: Section: A (CHEMISTRY) Q.1 Explain The Terms/ Laws/ Principles/ Rules

This document contains two questions from a 10th CBSE chemistry question bank for the year 2018-2019. Question 1 asks to explain 24 different chemistry terms, laws, principles, or rules. Question 2 asks to distinguish between 21 different pairs of chemistry concepts. The document provides an extensive list of core concepts covered in 10th grade chemistry for Indian students preparing for their board exams.

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40 views1 page

10 Cbse Question Bank 2018-19: Section: A (CHEMISTRY) Q.1 Explain The Terms/ Laws/ Principles/ Rules

This document contains two questions from a 10th CBSE chemistry question bank for the year 2018-2019. Question 1 asks to explain 24 different chemistry terms, laws, principles, or rules. Question 2 asks to distinguish between 21 different pairs of chemistry concepts. The document provides an extensive list of core concepts covered in 10th grade chemistry for Indian students preparing for their board exams.

Uploaded by

j g
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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10th CBSE QUESTION BANK 2018-19

Section: A (CHEMISTRY)
Q.1 Explain the terms/ laws/ principles/ rules:

1) Balanced chemical equations; 2) Arrhenius theory of acids and bases;


3) Brine solution; 4) Recrystallisation; 5) Water of crystallization (W.O.C.);
6) Alkalis; 7) Ionic bond; 8) Chemical bond; 9) Covalent bond and their types;
10) Metallurgy; 11) Gangue; 12) Thermit reaction; 13) Slag; 14) Tetravalent;
15) Catenation; 16) Allotropes; 17) Organic compounds; 18) Homologous
series; 19) Functional group; 20) Micelles; 21) Mendeleev’s periodic law
22) Modern (Moseley’s) Periodic law; 23) Periodic properties; 24) Atomic
Size; 24) Electronegativity.

Q.2 Distinguish between:

1) Symbolic form & Molecular form; 2) Combination & Decomposition


reactions; 3) Precipitation & Neutralisation; 4) Electrolytic and photolytic
decomposition; 5) Electrolysis of acid & base; 6) Crystalline & Amorphous
substance; 7) Hard & Soft water; 8) Metals & Non-metals (physical properties)
9) Chemical & Electrolytic reduction; 10) Extraction & Refining; 11) Corrosion &
Rancidity; 12) Oxidation & Reduction; 13) Exothermic & Endothermic reactions
14) Saturated & Unsaturated hydrocarbons; 15) Alkanes, Alkenes & Alkynes;
16) Substitution & Addition reactions; 17) Esterification & Saponification; 18) σ-bond
& π-bond; 19) Combustion & Oxidation; 20) Hydrogenation & dehydrogenation of
hydrocarbons; 21) Open chain & close hydrocarbons.

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