CBSE > Class 10 | CBSE Board | Homework Help

DBMS is a software that is used to define, create and maintain a database and provides controlled acess to the data. RDBMS is an advanced version of DBMS. DBMS stores data file. RDBMS store in data in tabular form

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2g of ferrous sulphate crystals were heated in a hard glass test tube and observations recorded 1). What type of odour is observed on heating ferrous sulphate crystals? 2). Name the product obtained on heating ferrous sulphate crystal? 3). What type of reaction is taking place?

Posted by Harshal Joshi 5 years, 1 month ago

CBSE > Class 10 > Science

2 answers

Puja Sahoo 5 years, 1 month ago

1) The odour of burning sulphur is observed 2)We get ferric oxide (Fe2O3)and sulphur dioxide ( So2) and sulphur trioxide (So3) 3) Decomposition reaction is takes place

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Chehak Kohli 5 years, 1 month ago

1) The odour of burning sulphur is observed. 2) Ferric oxide, sulphur dioxide and sulphur trioxide are obtained. 3) Decomposition reaction is taking place.

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Magnetic field lines are directly proportional to _________?

Posted by Harshal Joshi 5 years, 1 month ago

CBSE > Class 10 > Science

5 answers

Saroj Kumar 5 years, 1 month ago

Strenght of the current

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Armaan Mundlia 5 years, 1 month ago

Current flowing

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Himanshu Mishra 5 years, 1 month ago

Current

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Aditi Manro 5 years, 1 month ago

Current and no. of turns

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#Techy Mahesh 5 years, 1 month ago

I(current) & cross section area

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What is self induction?

Posted by Harshal Joshi 5 years, 1 month ago

CBSE > Class 10 > Science

1 answers

Chehak Kohli 5 years, 1 month ago

The induction of an electromotive force in a circuit when the current in that circuit is varied is known as self induction.

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What is emulsification? Explain

Posted by Harshal Joshi 5 years, 1 month ago

CBSE > Class 10 > Science

3 answers

Harshal Joshi 5 years, 1 month ago

Thx.......

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Ranvijay Kumar 5 years, 1 month ago

The process of chemical break down of fats into its simplest form with the help of bile juice secreted by liver is called emulsification.

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Aditi Manro 5 years, 1 month ago

The process of chemical break down of fats into its simplest form with the help of bile juice secreted by liver is called emulsification.

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If secA=x+1/4x, prove that secA+tanA=2x or 1/2x?

Posted by Harshal Joshi 5 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

A lens which is always form erect image has focal length 20 cm if the object is kept at the distance of 10cm then where will be the image formed?

Posted by Harshal Joshi 5 years, 1 month ago

CBSE > Class 10 > Science

1 answers

Ayush Agrawal 5 years, 1 month ago

Left side of the lens

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Any one please tell me that where we can find the solutions of EAD sample papers of social Science 2020-2021

Posted by Vaibhav Pandey 5 years, 1 month ago

CBSE > Class 10 > Social Science

1 answers

Vaibhav Pandey 5 years, 1 month ago

Please tell me it is urgent

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ANSWER

Why did he have to wrinkle his brow while writing a letter? (A Letter to God)

Posted by Chehak Kohli 5 years, 1 month ago

CBSE > Class 10 > English Language and Literature

1 answers

Mickymack Meow 5 years, 1 month ago

To express his deep feelings which was with anger and felt like he was cheated

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Diagnols of a trapezium, intersect each other at the point O. PQ is parallel to RS and PQ = 3RS. Find the ratio of POQ and ROS.

Posted by Chehak Kohli 5 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Chetan Jindal 5 years, 1 month ago

https://www.studyrankersonline.com/18689/diagonals-of-trapezium-pqrs-intersect-each-other-at-point-0-pq-rs-and-pq-3-rs ?? Go to this website and check answer

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A street lamp is find on a pole 6 metre above the level of the street. If a women of height 1.5 metre casts a shadow of 3 metre, find how far she is away from the base of the pole.

Posted by Chehak Kohli 5 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

Chehak Kohli 5 years, 1 month ago

Thanks :)

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Khushi Gehlot 5 years, 1 month ago

Answer- 9m By the AA simailarity criteria both the triangles aare similar so 6/1.5 = 3+x/3 (where x is the distance between the base of pole and women) 4 = 3+x/3 3+x= 3×4 3+x=12 X=12-3 X=9 m

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Is caused by the presence of high propagation of undesirable gases

Posted by Jatin Kukreja 5 years, 1 month ago

CBSE > Class 10 > Social Science

1 answers

Adithya Dev A 5 years, 1 month ago

Air pollution.

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The angle of elevation of an aeroplane from a point on the ground is 60 degree. After a flight of 30 seconds the angle of elevation becomes 30 degree. If the aeroplane is flying at a constant height of 3000 root 3 metre, find the speed of the aeroplane.

Posted by Chehak Kohli 5 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Prove that ✓6 is irrational

Posted by Khushi Gehlot 5 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Find a quadratic polynomial whose zeroes are 2 and -5.

Posted by Chehak Kohli 5 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Bhumi Verma 5 years, 1 month ago

Sum of the zeroes =2 ...........Product of the zeroes = -5...............x2-(sum of the zeroes)x+(product of the zeroes).............x2-(2)x+(-5)............x2-2x-5

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Zeroes of p(x) = x^2 - 2x - 3 are (a) 1, -3 (b) 3, -1 (c) -3, -1 (d) 1, 3

Posted by Chehak Kohli 5 years, 1 month ago

CBSE > Class 10 > Mathematics

3 answers

Bhumi Verma 5 years, 1 month ago

3 , -1

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Chehak Kohli 5 years, 1 month ago

Ya exactly, I am getting the same answer. But in the book the answer is written as (a) 1, -3

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Khushi Gehlot 5 years, 1 month ago

b) 3, -1

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Find the nature of the roots of the following quadratic equation. If the real roots exist, find them. 3x2 – 4√3x + 4 = 0

Posted by Chehak Kohli 5 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

The value of c for which the pair of equations cx - y = 2 and 6x - 2y = 3 will have infinitely many solutions is (a) 3 (b) -3 (c) -12 (d) No value

Posted by Chehak Kohli 5 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

For the following, find a quadratic polynomial whose sum an product respectively of the zeroes are as given. Also find the zeroes of the polynomial by factorisation. -3/2√5 , -1/2

Posted by Chehak Kohli 5 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

How was Ausable different from other secret agents?

Posted by Chehak Kohli 5 years, 1 month ago

CBSE > Class 10 > English Language and Literature

0 answers

ANSWER

Why does the poet use the term 'noble' and 'wild' for the tiger? (How to Tell Wild Animals)

Posted by Chehak Kohli 5 years, 1 month ago

CBSE > Class 10 > English Language and Literature

0 answers

ANSWER

Anil told Vishnu that he .......... use his motorcycle. i) can ii) will iii) could iv) may

Posted by Chehak Kohli 5 years, 1 month ago

CBSE > Class 10 > English Language and Literature

4 answers

Harsh Patel 5 years, 1 month ago

Could

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Chehak Kohli 5 years, 1 month ago

But according to me your answer is wrong, it actually should be 'can' but its not the correct answer

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Chehak Kohli 5 years, 1 month ago

Umm.....This question is actually from some sample paper and according to the answer given there, the answer which you have given is wrong....I asked this question because I feel that the answer given there is not right.......Wanted to take advice....

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Aparna Kumari 5 years, 1 month ago

Could

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............ I please come in, Teacher? i) Will ii) Would iii) May iv) Should

Posted by Chehak Kohli 5 years, 1 month ago

CBSE > Class 10 > English Language and Literature