CLASS 10 - CHEMISTRY - CHEMICAL REACTIONS AND EQUATIONS - Chapter Summary Notes (#eduvictors)(#cbsenotes)

CHEMICAL REACTIONS AND EQUATIONS

Chapter Summary Notes

1. Chemical reaction — 

Chemical changes or chemical reactions are the changes in which one or more new substances are formed.

2. Chemical Equations – 

Representation of a chemical reaction in terms of symbols and formulae of the reactants and products is known as a chemical equation.

3. Balanced Chemical equations – 

The chemical equation in which the no. of atoms of different elements is same on both sides of the arrow is called balanced chemical equation.

4. The chemical reactions can be classified into different types such as—

a. Combination reaction.
b. Decomposition reaction.
c. Displacement reaction.
 d. Double Displacement reaction.
i. Precipitation reaction
ii. Neutralization reaction
e. Redox reaction

Class 7/8/10 - Forests Our Life Line or Natural Resources - Importance of Forest Resources (#cbsenotes)(#eduvictors)

Natural Resources - Importance of Forest Resources

The importance of forest resources can be described  as follows:

1. Ecological Balance
2. Renewable Natural Resources
3. Eco-system
4. Economic Development
5. Environment Quality
6. Safeguard against Pollution
7. Soil Conservation
8. Wind and Soil Erosion
9. Check the Extension Balance
10. Maintains Ecological Balance
11. Attracts Rainfall
12. Control Floods
13. Connects to our Cultural and Civilization
14. Supply of Raw Material

1. Ecological Balance: 

Forests and wildlife are essential to maintain ecological balance of an area.

CBSE CLASS 8 - Science - Crop Production and Management (50+ Very Short Question and Answers) (#eduvictors)(#cbsenotes)

Crop Production and Management (50+ Very Short Question and Answers)

Q1: Define agriculture.

Answer: Cultivation of plants and rearing of animals for food and other beneficial items is called agriculture.


Q2: Where do animals get their food?

Answer: Animals get their food by eating other animals or plants.


Q3: What do you mean by crop?

Answer: Plants which are of the same kind and grown and cultivated at a place in large quantities are known as the crop.


Q4: Name two broad cropping patterns.

Answer: 1. Kharif crops
               2. Rabi crops


Q5: Give two examples of Kharif crops.

Answer: 1. Paddy  2. Maize


Q6: Give two examples of Rabi crops.

Answer: 1. Wheat  2. Gram


Q7: Define agricultural practices?

Answer: Various steps followed in growing crops and storing the crop grains is known as agricultural practices.


Q8: Define the term tilling or ploughing.

Answer: Tilling or Ploughing is the process of loosening and turning of the soil.


Q9: What is plough?

Answer: The device used for ploughing is called plough.


Q10: Name any two materials used to make a plough.

Answer: Wood and iron are used to make a plough.

CBSE Class 11 - Biology - The Living World - Taxonomical Aids (#eduvictors)(#cbsenotes)

Biology - The Living World - Taxonomical Aids

Q1: What are Taxonomical Aids?

Answer: These are articles helpful in correct identification & classification of organisms are called taxonomical aids.


Q2: What is a Herbarium?

Answer:
1. The storehouse of collected plant specimens that are dried, pressed & preserved on sheets.
2. Sheets are arranged according to a universally accepted classification system.
3. Used as a ready reference in scientific studies.

Class 6 - Geography - Ch1 - THE EARTH IN THE SOLAR SYSTEM - ASSIGNMENT (#eduvictors)(#cbsenotes)

THE EARTH IN THE SOLAR SYSTEM (ASSIGNMENT)

Q1: How does a planet differ from a star?

Q2: What is meant by the ‘Solar System’?

Q3: Name all the planets according to their distance from the sun.

Q4: Why is the Earth called a unique planet?

Q5: Why do we see only one side of the moon always?

Q6: What is the Universe?

Q7: Which is the third nearest planet to the sun?

CBSE CLASS 6 - Geography - Chapter 2 - Maps, Globes - Longitudes and Latitudes (Short Q and A) (#eduvictors)(#cbsenotes)

Geography - Chapter 2 - Maps ,Globe - Longitudes and Latitudes 

Extra Questions

Q1. What is the shape of the earth?

Answer: Earth is round or spherical in shape.


Q2. What are Continents?

Answer: The large landmasses on the surface of the earth are called Continents.


Q3. What is an Ocean?

Answer: The large water bodies on the earth are called OceAnswer:


Q4. What is Cartography?

Answer: Cartography means the study of maps and the process of map-making.


Q5. What is an Atlas?

Answer: An atlas is a book of maps.

CBSE Class 9 - English - Annual Examination Question Paper - (2017-18) (#eduvictors)(#cbsepapers)

CBSE Class 9 - English -
Annual Examination
 Question Paper - (2017-18)

CBSE Class 9 - Science - Annual Examination Question Paper - (2017-18) (#cbsepapers)(#eduvictors)

CBSE Class 9 - Science -
Annual Examination
 Question Paper - (2017-18)

CBSE Class 8 - Science - Mock Question Paper - (2017-18) (#cbsepapers)(#eduvictors)

CBSE Class 8 - Science -
Mock Question Paper - (2017-18)

CBSE CLASS 9 - English Communications Workbook - Unit 6 - The Passive (Answers) (#cbsenotes) (#eduvictors)

Unit 6 - The Passive

Q1: Here is a newspaper report of a young girl who went back in time to see how her home town looked seventy years ago.

Dehra Times

Purkul, 7 July, 09

It is reported that Kareena, a twelve year old girl living in Purkul, went back in time using a time machine.

Seventy years ago her home town was an ideal place to live in. Her home town had not been invaded by the marvels of technology. Industries had not been set up then, so the air was not polluted. She could see children playing in the garden. Some children were listening to the stories told by their grandmothers. Happiness and contentment prevailed everywhere.

In the newspaper report above, the focus is on the changes as observed by Kareena.

1. Kareena's hometown had not been invaded by the marvels of technology.

2. Industries had not been set up.

3. The air was not polluted.

4. Some children were listening to stories told to them by their grandmothers.