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Calculate the number of molecules of sulphur(S_8) present in 1
Science
Science

Class 9

NCERT

Publisher:
NCERT
Subject:
Science
1

Chapter 1: Matter in Our Surroundings

9 questions

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2

Chapter 2: Is Matter Around Us Pure?

13 questions

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3

Chapter 3: Atoms and Molecules

16 questions

Q1
What is the mass of : mole of oxygen atoms? mole of water molecules?
Q2
Calculate the number of molecules of sulphur present in of solid sulphur.
Q3
Calculate the number of aluminum ions present in 0.051g of aluminum oxide.
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4

Chapter 4: Structure of the Atom

19 questions

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5

Chapter 5: The Fundamental Unit of Life

10 questions

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6

Chapter 6: Tissues

15 questions

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7

Chapter 7: Diversity in Living Organisms

6 questions

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8

Chapter 8: Motion

18 questions

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9

Chapter 9: Force and Laws of Motion

29 questions

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10

Chapter 10: Work and Energy

23 questions

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11

Chapter 11: Sound

25 questions

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12

Chapter 12: Why do We Fall Ill?

6 questions

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13

Chapter 13: Natural Resourses

6 questions

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14

Chapter 14: Improvement in Food Resources

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15

Chapter 15: Gravitation

29 questions

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Question
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Solving time: 4 mins

Calculate the number of molecules of sulphur present in of solid sulphur.

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Updated on: May 17, 2023

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Science (NCERT)

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Moles of

Number of molecules
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Practice more questions from Science (NCERT)

Q1
What is the mass of : mole of oxygen atoms? mole of water molecules?
Q2
Calculate the number of molecules of sulphur present in of solid sulphur.
Q3
Calculate the number of aluminum ions present in 0.051g of aluminum oxide.
View all

Practice questions from Science (NCERT)

Question 1
Medium
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When of carbon is burnt in oxygen, of carbon dioxide is produced? What mass of carbon dioxide will be formed when of carbon is burnt in of oxygen? Which law of chemical combination will govern your answer?
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Topic:

Atoms and Molecules

Book

Book:

Science (NCERT)

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Question 2
Easy
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Give the names of the elements present in the following compounds.
Quick lime
Hydrogen bromide
Baking bromide
Potassium sulphate.
Topic

Topic:

Atoms and Molecules

Book

Book:

Science (NCERT)

View 16 solutions

Question 3
Medium
Views

Views: 6,061

Calculate the number of particles in each of the following:
(i) of atoms (number from mass)
(ii) molecules (number of molecules from mass)
(iii) mole of carbon atoms (number from given moles)
Topic

Topic:

Atoms and Molecules

Book

Book:

Science (NCERT)

View 2 solutions

Question 4
Medium
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Calculate the mass of the following:
(i) mole of gas (mass from mole of molecule)
(ii) mole of atoms (mass from mole of atom)
(iii) number of atoms (mass from number)
(iv) number of molecules (mass from number)
Topic

Topic:

Atoms and Molecules

Book

Book:

Science (NCERT)

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Practice more questions from Atoms and Molecules

Question 1
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Question 57: The atomicities of ozone, sulphur, phosphorus and argon are respectively :
(a) 8, 3, 4 and 1
(b) 1, 3, 4 and 8
(c) 4, 1, 8 and 3
(d) 3, 8, 4 and 1
Topic

Topic:

Atoms and Molecules

Book

Book:

Chemistry (Lakhmir Singh)

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Question 2
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Question 11: Name the elements water is made of. What are the valencies of these elements ? Work out the chemical formula for water.
Topic

Topic:

Atoms and Molecules

Book

Book:

Chemistry (Lakhmir Singh)

View solution

Question 3
Easy
Views

Views: 5,524

Write the cations and anions present (if any) in the following compounds:
(a)
(b)
(c)
Topic

Topic:

Atoms and Molecules

View 2 solutions

Question 4
Views

Views: 5,943

Question 56: (a) Define atomic mass unit. What is its symbol ?
(b) Define atomic mass of an element.
(c) What is meant by saying that 'the atomic mass of oxygen is 16' ?
Topic

Topic:

Atoms and Molecules

Book

Book:

Chemistry (Lakhmir Singh)

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Practice questions on similar concepts asked by Filo students

Question 1
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14. A bullet of mass travelling horizontally with a velocity of strikes a stationary wooden block and comes to rest in . Calculate the distance of penetration of the bullet into the block. Also calculate the magnitude of the force exerted by the wooden block on the bullet. 15. An object of mass travelling in a straight line with a velocity of collides with, and sticks to, a stationary wooden block of mass . Then they both move off together in the same straight line. Calculate the total momentum just before
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Physics

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Question 2
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9.(iii) A body is falling fi um a height . After it has fallen a height , it will possess
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  2. only kinetic energy
  3. half potential and half kinetic energy
  4. more kinetic and less potential energy
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Physics

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Question 3
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Assignment Questions
  1. Define finite Autometa?
  2. State the definition of pumping lemma for regular set?
  3. Give the steps to eliminate useless symbol.
  4. Give the contiguration of Turing machine?
  5. Write short notes on tractable problem?
  6. prove that Halting problem is undecidable?
Topic

Topic:

Physics

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Question 4
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propagation. When we drop a pebble in a pond, the waves you see on the water surface is an example of transverse wave. Light is a transverse wave but for light, the oscillations are not of the medium particles or their pressure or density - it is not a mechanical wave. You will come to know more about transverse waves in higher classes. We can describe a sound wave by its - frequency - amplitude and - speed. A sound wave in graphic form is shown in Fig. 12.8(c), which represents how density and pressure change when the sound wave moves in the medium. The density as well as the pressure of the medium at a given time varies with distance, above and below the average value of density and pressure. closer Fig. 12.8(a) and Fig. 12.8(b) represent the regions density and pressure variations, respectively, called as a sound wave propagates in the medium. sound Compressions are the regions where ries of particles are crowded together and we can represented by the upper portion of the curve nce in a in Fig. 12.8(c). The peak represents the region in the of maximum compression. Thus, tudinal compressions are regions where density as
Topic

Topic:

Physics

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Question Text
Calculate the number of molecules of sulphur present in of solid sulphur.
Updated OnMay 17, 2023
TopicAtoms and Molecules
SubjectScience
ClassClass 9
Answer TypeText solution:1 Video solution: 11
Upvotes1156
Avg. Video Duration5 min