Chemistry Semester-2 ICSE Specimen Paper Solved Class-10

Chemistry Semester-2 ICSE Specimen Paper Solved Class-10.  Step by step solutions of ICSE Class-10 specimen model sample paper .  During solutions of semester-2 Chemistry specimen paper so that student can achieve their goal in next upcoming exam of council .

Chemistry Semester-2 ICSE Specimen Paper Solved Class-10

Board ISC
Class  10th (X)
Subject Chemistry
Topic Semester-2 ICSE Specimen Paper Solved
Syllabus  on bifurcated syllabus (after reduction)
session 2021-22
Question Type Descriptive Type (as prescribe by council)
Total question Total- 6 with all parts  (Sec-A&B)
Max mark 40

Chemistry Semester-2 ICSE Specimen Paper Solved Class-10

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Question 1:

Choose the correct answers to the questions from the given options. (Do not copy the question, Write the correct answer only.)

(i) The IUPAC name of Ethylene is:

(a) Propane

(b) Propyne

(c) Ethene

(d) Ethyne

Answer : (c) Ethene

(ii) Carbon to carbon double bond is found in:

(a) 2-butylene

(b) Acetaldehyde

(c) Acetic acid

(d) Ethyl alcohol

Answer :(b) Acetaldehyde

(iii) Fused alumina is reduced to aluminium by electrolytic reduction, since:

(a) Alumina is highly stable

(b) Alumina is least stable

(c) Alumina is not reduced by drying agents.

(d) Alumina is not reduced by reducing agents.

Answer :(d) Alumina is not reduced by reducing agents.

 (iv) The catalyst preferred in the conversion of Sulphur dioxide to Sulphur trioxide is:

(a) Finely divided iron

(b) Graphite

(c) Vanadium pentoxide

(d) platinum

Answer :

(c) Vanadium pentoxide

(v) Substitution reaction is a characteristic property of:

(a) Alcohols

(b) Alkanes

(c) Alkenes

(d) Alkynes

Answer :(b) Alkanes


(vi) The gas evolved when dilute sulphuric acid reacts with iron sulphide:

(a) Sulphur dioxide

(b) Carbon dioxide

(c) Hydrogen sulphide

(d) Nitrogen dioxide

Answer :(c) Hydrogen sulphide

 (vii) An acid obtained from concentrated nitric acid on reaction with Sulphur:

(a) Carbonic acid

(b) Sulphuric acid

(c) Nitric acid

(d) Hydrochloric acid

Answer :(b) Sulphuric acid

(viii) The hydroxide soluble in excess of ammonium hydroxide is:

(a) Zinc hydroxide

(b) Lead hydroxide

(c) Magnesium hydroxide

(d) Ferrous hydroxide

Answer :(a) Zinc hydroxide

 (ix) The chemical name of the principal ore of aluminium:

(a) Sodium aluminium fluoride

(b) Aluminium oxide

(c) Hydrated Aluminium fluoride

(d) Hydrated aluminium oxide

Answer :(b) Aluminium oxide

 (x) A hydrocarbon which is a greenhouse gas.

(a) Acetylene

(b) Ethylene

(c) Ethane

(d) Methane

Answer :(d) Methane

Click Here to View Video Solutions of Sec-A


(Attempt any three questions from this Section.)

Question 2:

(i) Define:

(a) Catenation

(b) Alloy

Answer :

(a) Catenation- chemical linkage into chains of atoms of the same element, occurring only among the atoms of an element that has a valence of at least two and that forms relatively strong bonds with itself.

(b) Alloy:-metallic substance composed of two or more elements, as either a compound or a solution. The components of alloys are ordinarily themselves metals, though carbon, a nonmetal, is an essential constituent of steel.

(ii) Name the compound formed when:

(a) Ethene reacts with hydrogen in the presence of a catalyst

(b) Bauxite reacts with sodium hydroxide

Answer :


(iii) Draw the structural diagram of:

(a) Propanal

(b) Ethanoic acid

(c) 1,2 dichloroethane

Answer :

(iv) Complete and balance the following chemical equations:

(a) C2H6 + O2 ->

(b) C2H2 + I2 ->

(c) NH3 + HCl ->

Answer :


Question 3:

(i) Identify the anion present in the following compounds. 

(a) Compound Z which on reacting with dilute sulphuric acid liberates a gas which has no effect on acidified potassium dichromate but turns lime water milky.

(b) The solution of Compound L on reacting with freshly prepared ferrous sulphate solution followed by addition of few drops of concentrated sulphuric acid to the reactants along the sides of a test tube forms a brown ring at the junction of the two liquids.

Answer :


(ii) State the following:

(a) The drying agent used in the laboratory preparation of HCl gas.

(b) Products formed when ammonia is burnt in excess of oxygen.

Answer :


(iii) State the observation for the following, when: 

(a) Manganese dioxide reacts with concentrated HCl.

(b) A glass rod dipped in concentrated HCl acid is brought near ammonia gas.

(c) Concentrated sulphuric acid is added to carbon.

Answer :


(iv) Write balanced equation for the following conversions:

(a) Lead sulphate from lead nitrate and sulphuric acid.

(b) Nitrogen tri chloride from ammonia.

(c) Sodium chloride from sodium sulphite and dilute hydrochloric acid.

Answer :


Question 4:

(i) State the relevant reason for the following:

(a) A layer of powered coke is used over the electrolytic mixture in Hall Heroult’s process.

(b) Graphite anodes are continuously replaced during the electrolysis of alumina.

Answer :


(ii) Name the alloys for the given composition: 

(a) Magnesium and aluminium

(b) Magnesium + Manganese + Aluminium + Copper

Answer :


(iii) Identify the terms for the following: 

(a) The experiment which demonstrates high solubility of ammonia gas.

(b) A method used to collect HCl gas.

(c) The electrode where reduction takes place.

Answer :

(iv) Complete the table given below:

Name of the process Reactants Acid product formed
(a) ___________ Nitrogen dioxide + water
+ oxygen
(b) _____
(c) ___ Oleum + water Sulphuric acid

Answer :


Question 5:

(i) Write the balanced chemical equation to show the concentration of ore in Baeyer’s process.

(a) Sodium aluminate to aluminium hydroxide

(b) Aluminium hydroxide to alumina

Answer :


(ii) Select the correct answer from the brackets to complete the following statements: 

(a) The catalyst used in the oxidation of ammonia is __________ [zinc / platinum].

(b) The product formed when ammonia reacts with oxygen is _________ [nitric oxide / nitrous oxide]

Answer :


(iii) Name the following organic compound:

(a) The compound with 3 carbon atoms whose functional group is a carboxylic acid.

(b) The first homologue whose general formula is CnH2n.

(c) The compound formed by complete chlorination of ethyne.

Answer :


(iv) Answer the following questions related to the laboratory preparation of the hydrogen chloride gas:

(a) Why is sodium chloride preferred to other metallic chlorides?

(b) State the temperature required in the preparation.

(c) Write the chemical equation

Answer :


Question 6:

(i) Distinguish between the following:

(a) Dilute HCl and dilute HNO3[ using silver nitrate solution]

(b) Dilute HCl and dilute H2SO4[using lead nitrate solution]

Answer :


(ii) Give one word for the following statements: 

(a) Naturally occurring minerals from which metals are extracted.

(b) Organic compounds having the same molecular formula but different Structural formula.

Answer :


(iii) A, B and C are the chemical properties of sulphuric acid:

A. Oxidizing agent

B. Dehydrating agent

C. Non volatile acid

Answer :


Match the following equations 1 to 3 to the above chemical properties of sulphuric acid.

1. KNO3 + H2SO4 —> KHSO4 + HNO3

2. C12H22O11 —> 12C + 11H2O

3. S + 2H2SO4  —> 2H2O + 3SO2

Answer :


(iv) Study and complete the following table:

Homologous series Alkane Alkyne
General formula CnH2n + 2 1. _______
IUPAC name 2. ______ Ethyne
Common name Marsh gas 3. ____

Answer :

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