Daily Practice Problems
ICSE 7 Chemistry
Atomic Structure
daily practice problem

Question 1:

Electrons are                      

(a) positively charged

(b) negatively charged

(c) neutral

(d) highly positively charged [Level: Easy]     

 

Question 2:

Which of the following metal has radicals exhibiting more than one specific valency?

(a) Ca

(b) Na

(c) Mg

(d) Fe [Level: Difficult]

 

Question 3:

Radical with negative charge is

(a) basic radical

(b) acid radical

(c) polyatomic radical

(d) neutral radical [Level: Easy]

 

Question 4:

The valency of Cu in CuSO4 is

(a) 3

(b) 1

(c) 2

(d) 4 [Level: Difficult]

 

Question 5:

What is correct formula for aluminium nitride?

(a) Al3N

(b) AlN

(c) Al2N

(d) AlN3 [Level: Difficult]

 

Question 6:

Valency of Mg2+ radical is 2. Write the molecular formula of following compounds of magnesium.

(a) Magnesium oxide

(b) Magnesium sulphate

(c) Magnesium carbonate

(d) Magnesium hydroxide

(e) Magnesium nitrate [Level: Difficult]

 

Question 7:

Total how many atoms are present in 2H2O?

(a) 5

(b) 3

(c) 8

(d) 6 [Level: Moderate]

 

Question 8:

Chemical name of caustic potash is

(a) potassium hydroxide

(b) aluminium hydroxide

(c) sodium hydroxide

(d) calcium hydroxide [Level: Moderate]

 

Question 9:

Which of the following element/elements have valency 3?

I. Na

II. C

III. Al

IV. P

(a) only III

(b) only II

(c) only I

(d) both III & IV [Level: Moderate]

 

Question 10:

Write the names of elements present in the following compounds:

1) Nitric acid

2) Potassium hydroxide

3) Calcium sulphate

4) Sodium nitrate [Level: Moderate]   

 

Question 11:

Which among the following is polyatomic molecule?                    

(a) H2O

(b) O3

(c) CH4

(d) CO2 [Level: Moderate]           

                       

Question 12: 

Ion with positive charge is

(a) cation

(b) anion

(c) polyatomic ion

(d) neutral ion [Level: Easy]

 

Question 13:

Name the following radicals:

1) HSO4-

2) SO3-

3) MnO4-

4) N3- [Level: Moderate]  

 

Question 14:

No. of atoms in a molecule of element or compound is                

(a) variable valency

(b) valency

(c) atomicity

(d) charge [Level: Easy]

 

Question 15:

Give the group number of the following elements present in the periodic table

1) Sodium

2) Argon

3) Silicon

4) Oxygen [Level: Moderate]

 

Question 16:

Carbon atom combines with 4 hydrogen atoms to form methane. Valency of carbon is

(a) 4

(b) 0

(c) 2

(d) 1 [Level: Moderate]

 

Question 17:

Symbolic representation of molecule of element or compound is

(a) formula

(b) charge

(c) molecular formula

(d) valency [Level: Easy]

 

Question 18:

Which among the following is not a radical?            

(a) S2-

(b) NH4+

(c) Cr2O72-

(d) O3 [Level: Moderate] 

 

 

Question 19:

An element belongs to group 17. What would be its valency? Name 2 such elements. [Level: Moderate]

 

Question 20:

Element X and Y have valencies 2 and 1 respectively. What would be the chemical formula of the compound they would form? [Level: Difficult]

**********

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You must have heard of the phrase “Practice makes a man perfect”. Well, not just a man, practice indeed enhances perfection of every individual.

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 7 Chemistry Atomic Structure NCERT Chapter 4

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 7 Chemistry Atomic Structure NCERT Chapter 4 useful.

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