CBSE > Class 07 | CBSE Board | Homework Help

The day to day condition of the atmosphere at a place and time with respect to the temperature, pressure, humidity, wind speed and wind direction, sunshine, clouds, rainfall etc. is called weather at that place.
The highest temperature reached during a day is called the maximum temperature.
The lowest temperature reached during a day is called the minimum temperature.
Rainfall is measured by an instrument called the rain gauge.
Humidity is defined as a measure of water vapour in air.

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Who is first queen rule the delhi sultans?

Posted by Laxmi Shirabur 6 years, 4 months ago

CBSE > Class 07 > Social Science

9 answers

Zainab Fatima 6 years, 4 months ago

Raziya sultan was the first queen to rule the Delhi sultanate.

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Tanya Gupta 6 years, 4 months ago

Raziya Sultan was the first and last female ruler of the Delhi Sultanate.

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Omm Night Hunter 6 years, 4 months ago

Raziya begum

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Akshay Mathur 6 years, 4 months ago

RAZIYA SULTAN WAS THE FIRST AND LAST RULER WOMAN

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Uwais Ahmad 6 years, 4 months ago

Raziya sultan he ruled 4 years from 1236 to 1240

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Yachni Noroh 6 years, 4 months ago

RAZIYA SULTANA

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Shiva Nandan Dilip 6 years, 4 months ago

Raziyya sultan

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Gaurav Seth 6 years, 4 months ago

Raziya Sultana (1205 - 1240) was the first and last ruler of Delhi Sultanate. She ruled over the Sultanate for 4 years, from 1236 to 1240.

Raziya Sultana belonged to the Mamluk dynasty and was King Illtutmish's favourite daughter. As a small child, she had access to the King's court and other places reserved for the King and nobility. As she grew older, she was trained in the art of warfare and administrative matters.

She succeeded her elder brother Nasiruddin Mahmud, after his early death in 1229.

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Laxmi Shirabur 6 years, 4 months ago

Rajana sultan

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775÷0.25=?

Posted by Manya Kumari 6 years, 4 months ago

CBSE > Class 07 > Mathematics

2 answers

Sia ? 6 years, 4 months ago

3100

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Bhanu Soni 6 years, 4 months ago

192.75

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What is Autotrophs

Posted by Noor Aalam 6 years, 4 months ago

CBSE > Class 07 > Science

7 answers

Manbahadur Singh Somwanshi 6 years, 3 months ago

It is the mode of making food by them selves is know as autotrophs

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Tanya Gupta 6 years, 4 months ago

The mode of nutrition in which the organisms prepare their own food from raw materials.

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Suja Biju 6 years, 4 months ago

The animals which eat their own food by simple substances are called autotrophs

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Akshay Mathur 6 years, 4 months ago

Those living organism make their food own is called autotrophs

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Shiva Nandan Dilip 6 years, 4 months ago

The mode of nutrition in which an organism makes its own food from simple substances is known as autotrophic mode of nutrition. Organisms having autotrophic mode of nutrition are called autotrophs. E.g. green plants

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Manmohan Jaiswar 6 years, 4 months ago

Plants which make their food by own are called autotroph

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Manmohan Jaiswar 6 years, 4 months ago

What is dream

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I want to learn civics chapter 4 only how i can do that

Posted by Syed Khalid Khalid Ali 6 years, 4 months ago

CBSE > Class 07 > Social Science

2 answers

Akshay Mathur 6 years, 4 months ago

Name the chapter

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Tanya Gupta 6 years, 4 months ago

By learning it

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How to balance equation of elements and compounds

Posted by Veda Shree 6 years, 4 months ago

CBSE > Class 07 > Science

1 answers

Meghna Thapar 5 years, 10 months ago

Steps Involved in Balancing a Chemical Equation:

Consider the chemical reaction between magnesium and oxygen to understand the steps involved in balancing a chemical equation.

Step 1:

Let us first write the word equation for this reaction.

Magnesium + Oxygen → Magnesium oxide

Step 2:

Write the chemical equation for the reaction between magnesium and oxygen.

Mg + O₂ → MgO

Step 3:

Count the number of atoms of an element occurring on both L.H.S. and R.H.S. in this equation.

Mg + O₂ → MgO

Step 4:

To balance a chemical equation, first draw boxes around each formula. Do not change anything inside the boxes while balancing the equation.

Choose a reactant or a product which has the maximum number of atoms in it.

In that compound, select the element which has the maximum number of atoms. In this equation we shall select MgO i.e. magnesium oxide and the element oxygen in it.

To balance the oxygen atoms, let us multiply magnesium oxide molecule by 2 on the right hand side.

Step 5:

There are two oxygen atoms on either side of the equation but one magnesium atom on the reactant's side and two on the product's side. Therefore, multiply the magnesium atom by 2 on the left hand side.

Therefore, the number of atoms of each element of reactants = The number of atoms of each element of products.

Step 6: Writing Specific Conditions on the Arrow

The reaction is carried out in the presence of ‘Heat’. On heating, magnesium combines with oxygen present in air to form magnesium oxide.

Step 7: Writing Symbols of Physical States

The various ways in which a chemical equation can be made more informative are : (i) By indicating the physical states of the reactants and products. Example: Solid state is indicated by the symbol (s).

(ii) By indicating the heat changes taking place in the reaction. For Example: An exothermic reaction is indicated by writing “+Heat” or “+Heat energy” or “+Energy” on the products side of an equation.

(iii) By indicating the “conditions” under which the reaction takes place.

Example: Delta stands for heat which is written on the arrow sign in the equation.

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The capital of mirza hakim,Akbar half -brother was..............................

Posted by Datteswar Jena 6 years, 4 months ago

CBSE > Class 07 > Social Science

3 answers

Ranu Singh 6 years, 4 months ago

Duties granted ddf is

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Shiva Nandan Dilip 6 years, 4 months ago

Kabul ,now in Afghanistan

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Datteswar Jena 6 years, 4 months ago

KABUL

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'Improvement in water and sanitation can control many diseases. 'Explain with the help of examples.

Posted by Jaspreet Sinhg 6 years, 4 months ago

CBSE > Class 07 > Social Science

1 answers

Sia ? 6 years, 4 months ago

Both water and sanitation are parts of basic amenities. If water and sanitation are of poor quality, this will lead to poor health. Diseases like malaria, diarrhea, jaundice are water-borne diseases caused due to contaminated water and diseases like plague, fever, etc are caused due to unhygienic sanitary conditions. Thus, improvement in water and sanitation will surely control many diseases, thereby increasing the standard of living and good health.

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What do you understand by the term "all persons are equal before the law"? Why do you think it is important in a democracy?

Posted by Viraj Tambolkar 6 years, 4 months ago

CBSE > Class 07 > Social Science

1 answers

Tanya Gupta 6 years, 4 months ago

" All persons are equal before the law " is important in democracy as democracy is people's government amd no discrimination, prejudice or sterotypes should be there

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What is the difference between the work that MLAs do in the assembly and the work done by the government departments?

Posted by Aashlesha Ramteke 6 years, 4 months ago

CBSE > Class 07 > Social Science

1 answers

Uwais Ahmad 6 years, 4 months ago

Mlas discuss the solution of problem and depatment can follow it

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Do you think study of hidtory tells us book writting inscription were creation of the people,Do you think this aspect imbide by us in interpretend today explain with example

Posted by Jeswin Sojan 6 years, 4 months ago

CBSE > Class 07 > Social Science

0 answers

ANSWER

How do flood plains formed ?

Posted by Kshatriya Vr 6 years, 4 months ago

CBSE > Class 07 > Social Science

3 answers

Ranu Singh 6 years, 4 months ago

What is this answer

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Suja Biju 6 years, 4 months ago

When the river flows over, the materials are eroded and deposited ( fine soil ,sediments) and flood plains formed

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Saksham Das 6 years, 4 months ago

The flood plians are formed by the depostion of line soil particles and other materials called sediments along River bank .

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How to find mean mode median

Posted by M.Jnanashree . M 6 years, 4 months ago

CBSE > Class 07 > Mathematics

0 answers

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a need of the hour is concern for an environment. rewrite the sentence incorrect determiners

Posted by Meera Raj 6 years, 4 months ago

CBSE > Class 07 > English

0 answers

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Why did the king want no more talk about hilsa hish?

Posted by Subasini Devi 6 years, 4 months ago

CBSE > Class 07 > English

2 answers

Arpit Shukla 6 years, 4 months ago

Because courter waste their time and talk abiut hilsa

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Param Ram 6 years, 4 months ago

What does the girl wish for? Does her wish come true?how can you tell?

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what is the significance of the title to whom or towhat does it refer?

Posted by Sushilkumar Kodlinge 6 years, 4 months ago

CBSE > Class 07 > English

0 answers

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Construct 3 Equation starting with x=2

Posted by Ranna Rayan 6 years, 4 months ago

CBSE > Class 07 > Mathematics

1 answers

Mayank Tiwari 6 years, 4 months ago

X+10 =12, x-10=8 ,x+7=9

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What is the three question ? In 1st chapter

Posted by Ravi777 Ravi A. T 6 years, 4 months ago

CBSE > Class 07 > English

1 answers

Subasini Devi 6 years, 4 months ago

1st answer is that what is the right time to begin something? 2nd answer is that which people he should listen? 3rd answer is that wht thing is most important for him to do?

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How are high tides important

Posted by Sunita Jaiswal 6 years, 4 months ago

CBSE > Class 07 > Social Science

1 answers

.. ... 6 years, 4 months ago

They help in navigation. They raise the water level close to the shores and help the ships to arrive at the harbor more easily. They help in fishing. More fish come closer to the shore during high tides. This helps the fishermen to have a good catch and earn more.

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Meaning of poran in Sanskrit

Posted by Ayush Sharma 6 years, 4 months ago

CBSE > Class 07 > Other Subjects