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Practical Chemistry — Flashcards

ICSE · Class 10 · Chemistry

36 flashcards for Practical Chemistry (ICSE Class 10 Chemistry) to test yourself on key terms and facts. Sample: "What is a cation and what is an anion?"

44 questions36 flashcards5 concepts

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A diagram illustrating the laboratory test for hydrogen gas, showing a burning splint producing a 'pop' sound when brought near the gas.
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36 Flashcards·
Basic ion terminologyOriginal solutionAmmonia gasCarbon dioxideHeating reactionsChlorine gas
Card 1Basic ion terminology

What is a cation and what is an anion?

Answer

A positive charge bearing ion is called a cation while a negative charge bearing ion is called anion. Example: NH4+ is a cation and Cl- is an anion.

Card 2Original solution

What is original solution O.S.?

Answer

This homogeneous mixture of salt and solvent is called original solution abbreviated as O.S. It is prepared before testing for cations.

Card 3Ammonia gas

What is the confirmatory test for ammonia gas?

Answer

Ammonia gas turns moist red litmus blue and turns Nessler's reagent brown. It is a basic gas. Equation: NH4Cl + NaOH → NaCl + H2O + NH3.

Card 4Ammonia gas

What happens when ammonia gas combines with hydrogen chloride gas?

Answer

White fumes of ammonium chloride are formed. Balanced equation: NH3 + HCl → NH4Cl (white fumes).

Card 5Carbon dioxide

What is the test for carbon dioxide gas?

Answer

Carbon dioxide turns lime water milky. Milkiness disappears on passage of excess CO2. It shows no effect on potassium dichromate solution or KMnO4 solution. CO2 is a neutral-to-litmus acidic gas.

Card 6Heating reactions

What is the reaction for heating calcium carbonate?

Answer

Balanced equation: CaCO3 → CaO + CO2. Observation: carbon dioxide gas is evolved and calcium oxide remains as residue.

Card 7Heating reactions

What is the reaction for heating zinc carbonate?

Answer

Balanced equation: ZnCO3 → ZnO + CO2. Observation: carbon dioxide gas is evolved and zinc oxide remains as residue.

Card 8Chlorine gas

What is the test for chlorine gas?

Answer

Chlorine is a greenish yellow gas. It turns blue litmus red and finally bleaches it. It also turns starch iodide paper blue black.

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Frequently Asked Questions

What are the important topics in Practical Chemistry for ICSE Class 10 Chemistry?
Key topics in Practical Chemistry include Basic Ideas in Practical Chemistry, Identification Tests for Gases, Tests for Cations Other Than Alkali Tests, Tests for Cations Based on Alkalis. Study these first, then practise questions on each for the ICSE Class 10 board exam.
How many flashcards are available for Practical Chemistry?
There are 36 flashcards for Practical Chemistry covering key definitions, facts and ideas. A few sample cards are shown on this page.
How should I revise Practical Chemistry for the ICSE Class 10 board exam?
Learn the core ideas first, then work through the 44 practice questions on Practical Chemistry. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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