ICSE 9 Chemistry
The Language of Chemistry
Question 1:
Which among the following is correct symbol of tin?
(a) T
(c) Tn
(d) S [Level: Easy]
Question 2:
Symbol of an element represents __________ atom of an element
(a) two
(b) three
(d) four [Level: Easy]
Question 3:
Number of O atoms in Hydrogen sulphite radical is
(a) 2
(c) 1
(d) 4 [Level: Moderate]
Question 4:
How molecule of compound is formed? [Level: Easy]
Question 5:
Molecular weight of (NH4)2SO4 is (At.wt: N = 14, H = 1, S = 32, O = 16)
(a) 123
(c) 142
(d) 112 [Level: Easy]
Question 6:
Formula of Aluminium sulphate is
(d) Al2(SO4)4 [Level: Moderate]
Question 7:
Elements X, Y and Z have 2, 6 & 7 electrons in their valence shell respectively. Write the formula of compound formed between
a) X and Y
b) X and Z [Level: Difficult]
Question 8:
Molecular formula of urea is NH2CONH2. Calculate the % of H in urea.
Atomic weight : N = 14, H = 1, C = 12, O = 16) [Level: Moderate]
Question 9:
In carbon dioxide, C:O mass ratio is
(a) 3:16
(b) 3:32
(d) 3:8 [Level: Difficult]
Question 10:
In Na3PO4, the valency of sodium & phosphate respectively is
(b) 1 and 2
(c) 3 and 4
(d) 1 and 3 [Level: Moderate]
Question 11:
Why unit of atomic weight is not g or kg? [Level: Moderate]
Question 12:
Unit of atomic weight or relative atomic mass is
(b) a
(c) am
(d) aum [Level: Easy]
Question 13:
Write the balanced chemical equation of below given word equation.
Potassium permanganate + Hydrochloric acid à Manganese (II) chloride + Chlorine + Water + Potassium chloride [Level: Difficult]
Question 14:
In Ca(NO3)2, acid radical & basic radical respectively are
(b) NO3- & Ca+
(d) NO32- & Ca2+ [Level: Moderate]
Question 15:
Correct the following statements:
(a) A molecular formula represents one atom of element.
(b) CO represents symbol of cobalt
(c) Formula of Iron (II) oxide is Fe2O3. [Level: Moderate]
Question 16:
Find % composition of (NH4)2CO3 (by weight).
(Atomic weight: N = 14, H = 1, C = 12, O = 16) [Level: Difficult]
Question 17:
Calculate relative molecular mass of MgSO4.7H2O (At. wt : Mg = 24, S = 32, O = 16, H = 1)
(a) 246
(b) 236
(c) 256
(d) 226 [Level: Moderate]
Question 18:
Give 2 examples of balanced chemical equation having one reactant and two or three products. [Level: Moderate]
Question 19:
Find the % of water (by weight) in Glauber’s salt (Na2SO4.10H2O)
(At.wt: Na = 23, S = 32, O = 16, H = 1) [Level: Difficult]
Question 20:
Give the valency of elements having
a) 4 electrons in valence shell
b) 8 electrons in valence shell [Level: Moderate]
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In summary, problem-solving after learning a theoretical concept on CBSE The Language of Chemistry ICSE 9 Chemistry is an essential part of the learning process. It enhances your understanding, critical thinking abilities, and retention of knowledge. Moreover, it equips you with valuable skills that are applicable in academic, personal, and professional contexts.
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Practicing questions plays a pivotal role in achieving excellence in exams. Just as the adage goes, "Practice makes perfect," dedicating time to solve a diverse range of exam-related questions yields manifold benefits. Firstly, practicing questions allows students to familiarize themselves with the exam format and types of problems they might encounter. This familiarity instills confidence, reducing anxiety and improving performance on the actual exam day. Secondly, continuous practice sharpens problem-solving skills and enhances critical thinking, enabling students to approach complex problems with clarity and efficiency. Thirdly, it aids in identifying weak areas, allowing students to focus their efforts on improving specific topics. Moreover, practice aids in memory retention, as active engagement with the material reinforces learning. Regular practice also hones time management skills, ensuring that students can allocate appropriate time to each question during the exam. Overall, practicing questions not only boosts exam performance but also instills a deeper understanding of the subject matter, fostering a holistic and effective learning experience.
All About Daily Practice Problems on ICSE 9 Chemistry The Language of Chemistry NCERT Chapter 1
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 9 Chemistry The Language of Chemistry NCERT Chapter 1 useful.
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