micro courses for 2020 - AWS

MICRO COURSES FOR 2020

MASTER SPECIFIC CHAPTER

* PREPARE FOR COMPETITIVE EXAMS

* LIVE LEARNING FROM EXPERT MASTER TEACHERS

* MULTIPLE CHAPTER-WISE [MICRO] COURSES

* UNLIMITED IN-CLASS DOUBTS & QUIZZES

USE CODE: AGMIC | 95% OFF

LINK : vdnt.in/YTMICRO

* LIMITED PERIOD OFFER

CRASH COURSE FOR CLASS 9

1. Full Syllabus Revision of Maths, Science, Social Science and English

2. Test Series3. Unlimited Doubt Solving4. Assignments

LINK - vdnt.in/YT9CBSEUSE CODE - AGCC | Rs: 15998/- 7999/- ONLY


Q1. Define atomic number.

Total Marks: 1

Time in Exam: 1 - 2 mins

Sprint Time: 1 min

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SOLUTION:

Q2. What is an electron? Who Discovered it?

Total Marks: 1


Sprint Time: 1 min


SOLUTION:

Q3. What is charge / mass ratio of an electron?

Total Marks: 1


Sprint Time: 1 min


SOLUTION:

Q4. Give one word for the following :(i) Positively charged atom.(ii) A group of atoms carrying a charge.

Total Marks: 1


Sprint Time: 1 min


SOLUTION:

Q5. An element ‘Z’ forms the following compound when it reacts with hydrogen, chlorine, oxygen and phosphorus. ZH3, ZCl3, Z2O3 and ZP(i) What is the valency of element Z?(ii) Element ‘Z’ is metal or non metal?

Total Marks: 2


SOLUTION:

Q6. An atom of an element has one electron in the outermost M shell. State its:(i) Electronic configuration(ii) Number of protons(iii) Atomic number(iv) Valency of this element

Total Marks: 2


SOLUTION:

Q7. Write the electronic configuration and valency of the following :(i) Chlorine(ii) Sodium and(iii) Silicon

Total Marks: 3


SOLUTION:

Q8. Define the terms (a) isotope, (b) isobar giving one example of each.Name the element whose isotope is used in (i) nuclear reactor, (ii) treatment of cancer.

Total Marks: 3


SOLUTION:

Q9. (i) What are canal rays? State the nature of the constituents of canal rays.(ii) Who discovered canal rays?

Total Marks: 3


HOMEWORK

MICRO COURSES FOR 2020

MASTER SPECIFIC CHAPTER

* PREPARE FOR COMPETITIVE EXAMS

* LIVE LEARNING FROM EXPERT MASTER TEACHERS

* MULTIPLE CHAPTER-WISE [MICRO] COURSES

* UNLIMITED IN-CLASS DOUBTS & QUIZZES

USE CODE: AGMIC | 95% OFF

LINK : vdnt.in/YTMICRO


CRASH COURSE FOR CLASS 9

1. Full Syllabus Revision of Maths, Science, Social Science and English

2. Test Series3. Unlimited Doubt Solving4. Assignments

LINK - vdnt.in/YT9CBSEUSE CODE - AGCC | Rs: 15998/- 7999/- ONLY


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micro courses for 2020 - AWS

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