ICSE 10 Chemistry
Mole Concept and Stoichiometry
Question 1:
Fill in the blanks:
2) Whenever gases chemically react, they occur in ______________ (volume/weight) which bear a simple ratio to the products and each other. If gaseous, provided the pressure and temperature of reacting gases and products remain the same.
3) ____________ (molecule/atom) is classified as the smallest unit of matter.
4) Equal volumes of all ____________ (gases/liquids), under similar conditions of pressure and temperature contains an equal number of molecules.’
5) The number of particles that are contained within one mole of a substance is called _________ [Level: Easy]
Question 2:
One word answers:
1) Average of the ratio of atoms present in an element
2) The mass (in grams) of one mole of a molecular compound
3) A formula that tells us the number of atoms in one molecule of a chemical substance [Level: Easy]
Question 3:
State Avogadro’s law. [Level: Easy]
Question 4:
What is the meaning of “Molar volume of a gas?” [Level: Moderate]
Question 5:
Explain: “The number of atoms in 1 mole of hydrogen is twice the number of atoms in 1 mole of helium at the same pressure and temperature.” [Level: Moderate]
Question 6:
Explain: “The vapour density of carbon dioxide is 22.” [Level: Moderate]
Question 7:
What is the volume of propane burnt for every 0.1 litres of oxygen in the following reaction? Note: volumes of gases are measured at room pressure and temperature. C3H8 + 5O2 —–> 3CO2 + 4H2O [Level: Easy]
Question 8:
The atomic weight of Cl is 35.5. Calculate its vapour density. [Level: Easy]
Question 9:
Calculate the volume of 7.1 of Cl at Standard temperature and pressure. [Level: Moderate]
Question 10:
State Gay-Lussac’s law [Level: Moderate]
Question 11:
What is stoichiometry? [Level: Moderate]
Question 12:
What is meant by an empirical formula of a compound? [Level: Moderate]
Question 13:
What is atomicity? [Level: Moderate]
Question 14:
What is the atomicity of phosphorous, sulphur and hydrogen? [Level: Moderate]
Question 15:
State the value of Avogadro number [Level: Difficult]
Question 16:
What is relative atomic mass? [Level: Moderate]
Question 17:
Mention some applications of Avogadro’s Law [Level: Moderate]
Question 18:
State two real-life examples of Avogadro’s Law. [Level: Moderate]
Question 19:
What is STP? [Level: Moderate]
Question 20:
State Gay-Lussac’s law of combining volumes [Level: Moderate]
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All About Daily Practice Problems on ICSE 10 Chemistry Mole Concept and Stoichiometry NCERT Chapter 5
Our Daily Practice Problems (DPPs) offer a diverse range of question types, including Multiple Choice Questions (MCQs) as well as short and long answer types. These questions are categorized into Easy, Moderate, and Difficult levels, allowing students to gradually progress and challenge themselves accordingly. Additionally, comprehensive solutions are provided for each question, available for download in PDF format - Download pdf solutions as well as Download pdf Questions. This approach fosters a holistic learning experience, catering to different learning styles, promoting self-assessment, and improving problem-solving skills. With our well-structured DPPs, students can excel in exams while gaining a deeper understanding of the subject matter. Hope you found the content on ICSE 10 Chemistry Mole Concept and Stoichiometry NCERT Chapter 5 useful.
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