CBSE > Class 08 | CBSE Board | Homework Help

Iron reacts with oxygen and moisture present in the atmosphere to form a brown ,flaky substance called rust.Rust of iron is undesirable change because of the layer of rust is formed falls off , exposing the metal to further rusting .

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Two types of reproduction

Posted by Ramaa Kurande 6 years, 4 months ago

CBSE > Class 08 > Science

3 answers

Himanshu Sharma 6 years, 4 months ago

Sexual reproduction and Asexual reproduction...

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Kirti Tiwari 6 years, 4 months ago

There are 1 types of reproduction : 1) sexual reproduction 2) asexual reproduction

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Reenu Kumari Reenu Khatri 6 years, 4 months ago

1) sexual 2) asexual

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The diameter of an circular cylinder is 4.2dm base and 1dm height find area of base in cm sq

Posted by Aditya Prasad 6 years, 4 months ago

CBSE > Class 08 > Mathematics

0 answers

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I do my work and she does[ ] personal pronoun

Posted by Salim Ansari 6 years, 4 months ago

CBSE > Class 08 > English

2 answers

Ojas Aggarwal 6 years, 4 months ago

herself

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Kirti Tiwari 6 years, 4 months ago

Her

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Percent of India's total land area is arable land

Posted by Shivam Kumar Singh 6 years, 4 months ago

CBSE > Class 08 > Other Subjects

4 answers

Shivam Kumar Singh 6 years, 4 months ago

54%

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Arjun Soni 6 years, 4 months ago

60.45 %

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Manish Kumar 6 years, 4 months ago

Sanskart

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Himanshu Sharma 6 years, 4 months ago

Land covers 29 percent area...

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2+2=5 proved that

Posted by Aman Maurya 6 years, 4 months ago

CBSE > Class 08 > Mathematics

3 answers

Lokanath Reddy 6 years, 4 months ago

No one is proved

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Rashmi Mishra 6 years, 4 months ago

Stupid not proved mental

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Reenu Kumari Reenu Khatri 6 years, 4 months ago

stupid it cant be proved.

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Answer the following questions given on the page 35 in textbook class 8 civics

Posted by Aditya Sisodiya 6 years, 4 months ago

CBSE > Class 08 > Social Science

1 answers

Lokanath Reddy 6 years, 4 months ago

A system by which the British would protect the Indian states from external attack besides maintaining internal order .The Indian ruler had to maintain a British force in his territory in written of protection provided to him.

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What is subsidinary allience

Posted by Ujjwal Panchal 6 years, 4 months ago

CBSE > Class 08 > Social Science

2 answers

Yogita Ingle 6 years, 4 months ago

Subsidiary Alliance System was formulated by Lord Wellesley in British India. Indian princely states who entered into this alliance with the British were not allowed to have their independent armed force. They were to be protected by the company, but had to pay for the 'subsidiary forces' that the company was supposed to maintain for the purpose of this protection. Further the Comapny controlled the foreign affairs of the state. The Indian states who signed this alliance with the British lost their independence. A British resident also stayed in the princely state to regulate its affairs. Subsidiary Alliance System helped the British to expand its rule in India.

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Tannu Mourya 6 years, 4 months ago

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Posted by Naman Krish 6 years, 4 months ago

CBSE > Class 08 > Mathematics

0 answers

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Why metals are good conductor of heat

Posted by Lucky Raj 6 years, 4 months ago

CBSE > Class 08 > Science

1 answers

Yogita Ingle 6 years, 4 months ago

Conducting take place due to the movement of the electrons. Most metals are good conductors of electricity because, When metal atoms combine with each other, the outermost electrons lose contact with their parent atoms. The remaining positively charged atomic centers form an ordered structure while the outer electrons move freely around the whole sample. These freely moving electrons, called conduction electrons, can carry heat energy and electric charge easily throughout the metal, making metals good conductors of heat and electricity .

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Detail about girls

Posted by Annpurna Thakur 6 years, 4 months ago

CBSE > Class 08 > Science

1 answers

Lokanath Reddy 6 years, 4 months ago

Go and ask our mother

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_11/3x +2=14

Posted by Anshi Sheth 6 years, 4 months ago

CBSE > Class 08 > Mathematics

3 answers

Lokanath Reddy 6 years, 4 months ago

3x +2=14 3x=14-2 X=12/3=4

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Naman Krish 6 years, 4 months ago

Pagal

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Naman Krish 6 years, 4 months ago

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Pg 35 of civics the questions on right side. I need the answers of those questions

Posted by Vedangi Prajapati 6 years, 4 months ago

CBSE > Class 08 > Social Science

1 answers

Sia ? 6 years, 4 months ago

Check NCERT Solutions here: https://mycbseguide.com/ncert-solutions.html

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Why are coal and petroleum called non renewable resource

Posted by Pranay Praneeth 6 years, 4 months ago

CBSE > Class 08 > Science

2 answers

Himanshu Sharma 6 years, 4 months ago

Because they cannot be formed quickly. They take a lot of time to form. They cannot be replenished within a given time...

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Yogita Ingle 6 years, 4 months ago

Coal and petroleum are called non renewable resources because they cannot be formed quickly.They take a lot of time to form.They take even millions and billions of year to be formed.So coal cannot be replenished within a given time.Therefore it is considered to be non renewable resources.

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WHAT WILL HAPPEN IF THA ATMOSPHERE GETS MORE POLLUTED WITH SMOKE AND DUST?

Posted by Srinivas Motupalli 6 years, 4 months ago

CBSE > Class 08 > Social Science

1 answers

Reenu Kumari Reenu Khatri 6 years, 4 months ago

Earth will not be able to reflect the heat of sun , so all the heat will reach earth and people will suffer from skin-cancer. It will also melt glaciers and ice-sheets. IT WILL HEPL YOU ....

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What is meant by the word revolt

Posted by Subha Ramesh 6 years, 4 months ago

CBSE > Class 08 > Social Science

1 answers

Sia ? 6 years, 4 months ago

Revolt means to take violent action against an established government or ruler; rebel.

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What is combine

Posted by Harsheethaa Harsheethaa 6 years, 4 months ago

CBSE > Class 08 > Science

1 answers

Priyamani Priyamani Raja 6 years, 4 months ago

This is carried out with the help of a machine called combine which is in fact a combined harvest and thresher

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What is meant by sonorous

Posted by Harsheethaa Harsheethaa 6 years, 4 months ago

CBSE > Class 08 > Science

3 answers

Aastha ? 6 years, 4 months ago

When we struck a metal it produce ringing sound .The ringing sound is called sonorous

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Yogita Ingle 6 years, 4 months ago

The physical property of a metal to produce a ringing sound when striked on a hard surface is known as sonority. Hence the metal is said to be sonorous. thats why our school bells are made of metals.

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Priyamani Priyamani Raja 6 years, 4 months ago

The property of metal which makes the ringing sound is called sonorous

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Reaction of iron + oxygen + water in formula

Posted by Amirthavalli 1985 6 years, 4 months ago

CBSE > Class 08 > Science

2 answers

Vinay Dengi 6 years, 4 months ago

2fe(iron)+O2(oxygen)+H2O(water) - FE2O3(iron oxide rust)

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Priyamani Priyamani Raja 6 years, 4 months ago

I may think that iron hydroxide

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Can you add the sanskrit book of ruchira

Posted by Krishna Jina 6 years, 4 months ago

CBSE > Class 08 > Other Subjects

0 answers

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Explain why some fibre are synthetic synthetic

Posted by Shakuntala Shukla 6 years, 4 months ago

CBSE > Class 08 > Science

1 answers

Priyamani Priyamani Raja 6 years, 4 months ago

Since man made fibres are obtained by the synthesis of petrochemical. So they are called synthetic fibres

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give reason - a) shoulder bag with broad stap is more comfortable than the bag with thin stap. b) sharp end of a nail can easily go inside the wall than the other end,when it hammers.

Posted by Vinay M Dengi 6 years, 4 months ago

CBSE > Class 08 > Science

1 answers

Meghna Thapar 5 years, 10 months ago

a. A school bag has wide strap made of thick cloth so that the weight of the bag may fall over a large area of shoulder of the child producing less pressure on the shoulder due to which it is more comfortable to carry the heavy school bag.

b. The tip of a nail is sharp so that it may put the force on a very small area of wood, producing large pressure sufficient to go into the wood when it is hammered.

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How did the assumption of diwani benifit the east india company?

Posted by Vinod Mishra 6 years, 4 months ago

CBSE > Class 08 > Social Science

1 answers

Sia ? 6 years, 4 months ago

The Mughal emperor in the year 1765, appointed the company as the Diwan of the provinces of Bengal.
The Diwani allowed the company to use the vast revenue resources of Bengal.
This solved a major problem that the company had earlier faced.
The Diwani allowed the Company to use the vast revenue resources of Bengal. After the assumption of Diwani, gold was not imported from Britain and revenues from India were enough to finance Company expenses.
The outflow of gold from Britain stopped after the assumption of Diwani.
Now revenues from India could finance company expenses.
These revenues were used to purchase cotton and silk textiles in India and to maintain Company troops and meet the cost of building the Company fort and offices at Calcutta.

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What is the full form of pvc pipe

Posted by Priyamani Priyamani Raja 6 years, 4 months ago

CBSE > Class 08 > Science