CBSE Class 9 Science Atoms and Molecules Sure Shot Questions B

CBSE Class 9 Science Atoms and Molecules Sure Shot Questions B. There are many more useful educational material which the students can download in pdf format and use them for studies. Study material like concept maps, important and sure shot question banks, quick to learn flash cards, flow charts, mind maps, teacher notes, important formulas, past examinations question bank, important concepts taught by teachers. Students can download these useful educational material free and use them to get better marks in examinations.  Also refer to other worksheets for the same chapter and other subjects too. Use them for better understanding of the subjects.

1. Calculate the number of moles in i) 4.6g sodium ii) 5.1g of Ammonia iii) 90g of water iv) 2g of NaOH

2. Calculate the number of molecules in 360g of glucose.

3. Find the mass of 2.5 mole of oxygen atoms

4. Calculate the mass of 12.046 x 1023 molecules in CaO.

5. Calculate the number of moles in 24.092 x 1022 molecules of water.

6. Calculate the number of moles in a) 12.046 x 1023 atoms of copper b) 27.95g of iron c) 1.51 x 1023 molecules of CO2

7. If 3.0115 x 1023 particles are present in CO2. Find the number of moles.

8. Find the number of moles present in 24.088 x 1023 particles of carbon dioxide

9. Calculate the number of atoms in 48g of Mg

10. Calculate the number of molecules in 3.6 g of water

11. Calculate the number of atoms in 0.5 moles of carbon

12. Calculate the number of moles in 12g of oxygen gas

13. Calculate the number of moles present in 14g of carbon monoxide .

14. Find the mass of 5 moles of aluminium atoms?

15. Calculate the molar mass of sulphur.

16. Calculate the mass of 0.2 mole of water molecules.

17. Which has greater number of atoms, 100g of sodium or 100g of iron?

18. How many atoms of oxygen are present in 300 grams of CaCO3?

19. The mass of one atom of an element 'A' is 2.65 x 10-23 g. Calculate its atomic mass and name the element.

20. Calculate the number moles of magnesium in 0.478g of magnesium ?

21. In which of the following cases the number of hydrogen atoms is more ? Two moles of HCl or one mole of NH3.

22. Calculation of number of hydrogen atoms present in 1 mole of NH3

23. Find the number of oxygen atoms in 88g of CO2?

24. Calculate the number of water molecules contained in a drop of water weighing 0.06g ?

25. Find the number of aluminium ions present in 0.051g of aluminium oxide(Al2O3). (Atomic masses: Al= 27u;O= 16u)

26. Calculate the mass of 1.000 mole of CaCl2

27. Calculate grams in 3.0000 moles of CO2

28. Calculate number of moles in 32.0 g of CH4

Please click the link below to download CBSE Class 9 Science Atoms and Molecules Sure Shot Questions B.

Tags: 

 


Click to View or Download pdf file
Click for more Science Study Material

Latest NCERT & CBSE News

Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

Board Cancelled Official CBSE Statement

Keeping in view the requests received from various State Governments and the changed circumstances as on date, following has been decided- 1. Examinations for classes X and XII which were scheduled from 1st July to 15th, 2020 stand cancelled. 2. Assessment of the...

Board Exams Class 10 and Class 12 Datesheet 2020

CBSE has announced the datesheet for the remaining exams of class 10 and class 12 exams. The exams are going to start in July. The class 10 and 12th board exams will be conducted for the remaining 29 papers from July 1 to July 15, 2020, at various centers nominated by...

Class 12 Board Exams Datesheet Announced

CBSE has announced the datesheet of the remaining class 12 board exams, see below:  

Procedure for correction in Name and Date of Birth

Procedure for correction in Name and Date of Birth in CBSE records Name Change: Applications regarding changes in name or surname of candidates will be considered provided the changes have been admitted by the Court of law and notified in the Government Gazette before...

CBSE Boards Paper Checking to Start

As per the announcement recently released by the Ministry of Home Affairs, at least 3000 CBSE affiliated selected as evaluation centers for board exam answer sheets will be allowed to open for the limited purpose of evaluation purposes only. The answer sheets for Board...

CBSE advisory on student marks

CBSE has issued a public advisory for all students to be careful from unscrupulous persons impersonating themselves as officers/officials of CBSE. These people have been contacting parents and have been telling them that they have access to student marks data for Board...

×
Studies Today