ICSE class 10 chemistry 2024 question paper with solutions, download pdf

The ICSE class 10 chemical examination is one of the most important exams for students who want to stand out in science. Understanding the examination pattern, the question types and the solutions is of crucial importance for effective preparation. This article contains the ICSE Class 10 Chemistry 2024 question paper along with solutions and helps the students to analyze their performance and gain clarity on complex topics.

By going through the dissolved question paper, the students can identify important topics, understand the marking scheme and improve their response techniques. Regardless of whether you want to check your answers or prepare for upcoming exams, this guide will serve as a valuable resource. Download the PDF and use the best of these experienced solutions.

ICSE class 10 chemistry 2024 question paper with solutions

Question 1: Select the right answers to the questions from the specified options.

(i) Unsaturated hydrocarbons undergo:

(a) Addition reaction (b) substitution reaction

(c) Oxidation reaction (d) Redox reaction

(II) In the second period, neon has maximum ionization potential because:

(a) It has an unstable electronic configuration.

(b) It easily accepts electrons.

(c) It loses electrons slightly.

(d) The outer shell is completely filled.

(iii) copper, zinc and tin are the metals that are too shape:

(a) duralumin (b) brass

(c) bronze (d) soldering agent

(IV) The metal hydroxide, which reacts to salt and water with both acids and alkalis, is:

(a) calcium hydroxide

(b) Magnesium hydroxide

(c) aluminum hydroxide

(d) iron hydroxide

(v) The reaction of an alcohol with a carboxylic acid in the presence of concentrated H2SO4 is as:

(a) halogenation (b) esterification

(c) hydrogenation (d) dehydrohalogenation

(vi) The conversion of ethanol into ethene due to the effect of concentrated sulfuric acid includes:

(a) dehydration (b) dehydration

(c) dehydrohalogenization (d) hydrolysis

(VII) The oxidizing agent in the equation, S + 2H2SO4 – 3S2 + 2H2O, is:

(a) sulfur (b) sulfuric acid

(c) Sulfur dioxide (d) water

(viii) The electron affinity is maximum in:

(a) mg (b) ar

(c) Li (d) BR

(IX) The connection that is not part of the electrolytic mixture used in the Hall Heroult process is:

(a) al2o3 (b) naalo2

(c) Na3alf6 (d) caf2

(X) When the ammonia gas is handed over to heated copper oxide for some time, a red -brown deficit remains. Which property of ammonia is demonstrated here?

(a) property

(b) Oxidation property

(c) Reduction of property

(d) acid property

(XI) Rotten egg smell is on the liberation of:

(a) HCL -GAS (B) H2S gas

(c) CL2 gas (d) So2 -Gas

(XII) Ammoniacgas is collected by the downward shift of air, as ammonia is:

(a) very easily soluble in the water.

(b) heavier than air.

(c) lighter than air.

(d) insoluble in water.

(XIII) Which of the following statements would take 22.4 liters at STP?

1. 32 g oxygen gas

2. 2 mol hydrogen gas

3. 6.022 × 1023 ammoniac molecules

(a) 1 and 2 (b) 1 and 3

(c) 2 and 3 (D) 1, 2 and 3

[Atomic weights: O = 16, H = 1, N = 14]

(XIV) In the water molecule, the oxygen atom has:

(a) a common electron pair.

(b) Three jointly used electron pairs.

(c) Two lonely electron pairs.

(d) a lonely electron pair.

(XV) A mineral from which the metal can be extracted economically and conveniently is as:

(a) matrix (b) ore

(c) River (d) alloy

Question-2

(i) The following sketch represents the electroplate of an iron cup with nickel metal. Study the diagram and answer the following questions.

(a) The iron cup is placed on the cathode during the electroplation. Why?
(b) call the ion that must be present in the electrolyte.
(c) Enter a condition that is necessary to ensure that the deposit is smooth, firm and even.
(d) Write the reaction in the cathode.
(e) What change would you watch at the anode?

(II) Compliance with column A with column B:
(a) water 1. Lithium
(b) Alkali metal 2. iodine
(c) Halogen 3rd covalent connection
(d) calcium oxide 4. acetic acid
(e) Weak acidity 5. Ion connection
6. Sulfuric acid

(iii) complete the following sentence by selecting the correct answer from the brackets:

(a) The salt, which can be produced by direct combination, is ……………… [FeCl3/FeCl2]

(b) The metallic oxide, which can be reduced by using common reductions, is ………………..[Fe2O3/Al2O3]

(c) The metal nitrate, which forms a black gap in the thermal decomposition, is ……………..[zinc nitrate/copper nitrate]

(d) During the electrolysis of the copper sulfate solution, if ……………. is used as an electrode, the color of the electrolyte does not fade.[copper/platinum]

(e) The heating of the concentrated ore in a limited supply or absence of air is ……………. [roasting/calcination]

(IV) indicate the terms for the following:

(a) the group that was obtained from the parent alkan by removing a hydrogen atom.
(b) Two metal plates or wires through which the current gets and leaves the electroly cell.
(c) the amount of substance that contains the same number of units as the number of atoms in carbon-12.
(d) The tendency of an atom to move a common electron pair to themselves in a connection.

(e) The formula that represents the simplest ratio between the element atoms present in a connection

(v) (a) indicate the iUPAC names of the organic compounds, which are shown by the structural formulas specified below:

(b) Draw the structural diagram for the following organic compounds:
1. 3-methyl-pentan
2. Propyne
3. Methanal

Section – B

Question-3

(i) Restore the following statements by adding the right word, as shown in the example:

(A) Sulfuric acid acts as a means of dehydrate.
(B) Ammonia reacts with chlorine to ammonium chloride and nitrogen.

(ii) only identify the anion present in the following connection:

(a) The connection when heated creates a colorless, odorless gas, which becomes lime water milky and
has no influence on the acidified potassium -dichromat solution.

(b) The solution to the connection that creates a brown ring when treating concentrated sulfuric acid and freshly produced iron sulfate solution.

(iii) Mohan has three solutions P, Q and R with a pH value of 13, 5 or 2. Which of the above mentioned above
Solutions are P, Q or R:

(a) Will magnesium react to exemption from hydrogen gas?

(b) Will it free ammonia gas if it reacts with ammonium chloride?

(c) Will both molecules and ions contain?

(IV) The following table refers to an industrial process of an acid.

Identity (a), (b) and (c).

Question-4

(i) Define the following terms: [2]
(a) Molvolume
(b) normal salt

(ii) Draw the electron point structure of: [2]
(a) Methan molecule
(b) nitrogen molecule
[Atomic number: N = 7, C = 6, H = 1]

(iii) Complete the following equation and you can compensate for the following equation:

(IV) Select the organic connection from the list below to answer the following question:

(a) The connection that has no double bond in its structure.
(b) The connection that, in its pure form, turns into an ice cream as if tightly when cooling.
(c) the connection used to artificial fruits.

Answer

Answer-1

(i) option (a) is correct

(ii) option (d) is correct.

(iii) option (d) is correct

(IV) Option (C) is correct.

(V) option (b) is correct.

(VI) Option (A) is correct.

(VII) option (b) is correct

(VIII) Option (D) is correct.

(ix) option (b) is correct

(x) option (c) is correct

(XI) option (b) is correct.

(XII) option (c) is correct

(XIII) option (b) is correct

(XIV) option (C) is correct.

(XV) option (b) is correct.

Answer-2.

(i) (a) The metal that is to be electroplated should always be in the cathode with the electroplate.
Therefore, the metalion (NI2+) is reduced to the cathode and forms a layer on it.

(b) cation: ni2+ and anion depend on the electrolyte.

(c) The passage with low electricity for a long time is a necessary condition to ensure that the deposit is smooth, even and firm.

(d) Ni2 + + 2E – ® Ni

(e) Move negative loads (depending on the electrolyte) in the direction of the anode, but do not unload due to the type of electrode. However, NI loses two electrons that were converted into NI2+ in the solution. These successes of the anode electrode become thinner and the iron cup becomes thicker during electrolysis.

(ii) column a column b
(a) Water 3rd covalent connection
(b) Alkali metal 1. Lithium
(c) Halogen 2. Lodine
(d) Calcium oxide 5. Lonish connection
(e) Weak acidity 3.

(III) (a) FECL3
(b) Al2O3
(c) copper nitrate
(d) copper
(e) Calaging

(IV) (a) alkyl group
(b) Electrodes (cathode and anode)
(c) mole
(d) electronegativity
(e) Empirical formula

Other questions and answers will be updated soon …