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Carbon has a valency of 4. In the case of -CHO group it already shares one bond with hydrogen and a double bond with oxygen, only one more place left for bonding. Its not possible to place it in the middle. So, the -CHO group always placed at the end.

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What is Magnification? Answer in easy words And the person who will answer 1st he/she will be super intelligent

Posted by Ayush Sharma 3 years, 4 months ago

CBSE > Class 10 > Science

2 answers

Badal Bhati 3 years, 4 months ago

* In biology * Biological Magnification - It is the process of accumulation of a specific type of substance in the body if organism belonging to different trophic level of a food chain. For example - Accumulation of insects in DDT in zooplankton then in fishes followed by Birds.

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Badal Bhati 3 years, 4 months ago

*Magnification* - It is the process of enlarging the apparent size ,not the physical size, It's enlargement is qualified the calculated number is also called Magnification

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Light enters from air to glass having retractive index 1.50.what is the speed of light in the glass? The speed of light in vaccum is 3×(10)8ms

Posted by Potahi Kumari 3 years, 4 months ago

CBSE > Class 10 > Science

1 answers

Riya Gandhi 3 years, 4 months ago

26*10^8/3

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What is monography ?

Posted by K_Hushii 🍁 3 years, 4 months ago

CBSE > Class 10 > Science

3 answers

Ayush Sharma 3 years, 4 months ago

Yoooooooo

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Ayush Sharma 3 years, 4 months ago

a learned treatise on a small area of learning his concise monograph on The Authorship of Shakespeare's Plays— Brian Vickers also : a written account of a single thing wrote a monograph on the art of origami.

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Parshant Panwar 3 years, 4 months ago

. a treatise on a particular subject, as a biographical study or study of the works of one artist. a highly detailed and thoroughly documented study or paper written about a limited area of a subject or field of inquiry: scholarly monographs on medieval pigments.

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What is precipitate? (CHEMISTRY)

Posted by Ayush Sharma 3 years, 4 months ago

CBSE > Class 10 > Science

2 answers

Ayush Sharma 3 years, 4 months ago

Thanks a lot

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Adrija Saha 3 years, 4 months ago

A precipitate is an insoluble solid that emerges from a liquid solution. The process of making precipitate is called precipitation.

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Why do covalent compound have definite shape ?

Posted by Shakti Swaroop Patro 49 3 years, 4 months ago

CBSE > Class 10 > Science

2 answers

Adrija Saha 3 years, 4 months ago

Because of hybridisation covalent molecules have definite structures.

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Pari Chawda 3 years, 4 months ago

Because of it's two properties catenation and tetravalency

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An electric lamp of 100 ohm a toaster of resistance 50 ohm and a water filter of resistance 500 ohm are connected in parallel to a 220 volt source what is the resistance of an electric iron connected to the same source that takes as much current as all three appliances and what is the current through it?

Posted by Tejas Pratap 3 years, 4 months ago

CBSE > Class 10 > Science

2 answers

Mini Dhull 3 years, 4 months ago

Thanks ?

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Priyanshi Tyagi 3 years, 4 months ago

R=R1+R2 + R3 R=100+50+500 R=650ohm V=220volt I=V/R I=220/650 I=0.34ampere

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Define homology series alkane. Allen.alkyne

Posted by Afifa Afifa 3 years, 4 months ago

CBSE > Class 10 > Science

1 answers

Pari Chawda 3 years, 4 months ago

It is a series of organic compounds. Which is differ by -ch2 unit. Alkane CnH2n+2 Alkene CnH2n Alkyne CnH2n-3

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For the given which of its surface will exit minimum pressure for its weight is 6 Newton calculate the pressure in such a case.

Posted by Savita . 3 years, 4 months ago

CBSE > Class 10 > Science

1 answers

Adrija Saha 3 years, 4 months ago

on the length of its surface exert minimum pressure. area=l*b*h=8*6*6=288 pressure =area/thrust =288/6n=48n

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Why variation benefical for an species not for an individial

Posted by Himanshu Lakhisarani Ajay 3 years, 4 months ago

CBSE > Class 10 > Science

2 answers

Shakti Swaroop Patro 49 3 years, 4 months ago

It is because - • variation of an species will help the species to live or adjust in the diverse conditions . • Every species depends on each other for their survival . • In individuals if there is a variation then it won't help the species to adjust or survive and they even look different or odd.

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Amrit Raj 3 years, 4 months ago

Variation benefical for an species because of the following reasons:- {1} Variation is very beneficial for all. {2} Every species depends on one another. {3} Each species have its own quality. Variation not benefical for an individual because of the following reasons:- {1} If only few individuals are differ then its also looks very odd. {2}If every species gone to be dead then not any individual alive.

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नणंद्धूबकड nhddye

Posted by Rutuja Gawade 3 years, 4 months ago

CBSE > Class 10 > Science

0 answers

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The later

Posted by Prince Yadav 3 years, 4 months ago

CBSE > Class 10 > Science

1 answers

Prince Yadav 3 years, 4 months ago

Photosynthesis

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Define isomar

Posted by Sonu Kumar 3 years, 4 months ago

CBSE > Class 10 > Science

3 answers

Zaid Azim Ansari 3 years, 4 months ago

Compund with same chemical properties but different structures are known as isomars

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Shakti Swaroop Patro 49 3 years, 4 months ago

Isomers - compound which have same chemical properties but different structures

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Riya Tekwani 3 years, 4 months ago

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What is static electricity

Posted by Gaurav Singh 3 years, 4 months ago

CBSE > Class 10 > Science

1 answers

Adrija Saha 3 years, 4 months ago

People do say that this world will end someday but when that is not precise.I agree that the world will end Someday because everything that starts has an end.If the sun goes very hot everything on earth will burn up and if it grows colder and colder everything will freeze.

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I AM THE MASTER OF MY FAILURE IF I NEVER FAIL HOW WOULD I NEVER LEARN

Posted by Âťťíťůđē Bøý 3 years, 4 months ago

CBSE > Class 10 > Science

2 answers

Âťťíťůđē Bøý 3 years, 4 months ago

Thanks

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K_Hushii 🍁 3 years, 4 months ago

Good..........?

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HNO3+Ca(OH)2--> Ca(NO3)2+H2O

Posted by Mannat 💜 3 years, 4 months ago

CBSE > Class 10 > Science

1 answers

Riya Gandhi 3 years, 4 months ago

2HNO3+Ca(OH)2 --- Ca (NO3)2 + 2H2O

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what is compound ?

Posted by Aarzoo Pal 3 years, 4 months ago

CBSE > Class 10 > Science

2 answers

Harshita Chaudhary 3 years, 4 months ago

Compound is a mixture of two or more elements

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Daksh Sharma 3 years, 4 months ago

Mixture of two or more elements is known as compound

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(a) What is meant by ‘power of a lens’? (b) State and define the S.I. unit of power of a lens. (c) A convex lens of focal length 25 cm and a concave lens of focal length 10 cm are placed in close contact with each other. Calculate the lens power of this combination.

Posted by Adrija Saha 3 years, 4 months ago

CBSE > Class 10 > Science

0 answers

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SOMEDAY IS A DISEASE WHICH KILLS DREAMS READ AGAIN I HATE GIRLS WHO SAY ALL BOYS R SAME WHO TOLD U TRY THEM ALL IF U R A TOPPER NICE TO MEET U I AM UR TEACHER HATE ME I NEVER MIND TO LIVE A HAPPY LIFE TIE IT WITH A GOAL NOT PEOPLE NOR THINGS I DONT SEE BACK UNLESS THERE IS A GOOD VIEW.....

Posted by Âťťíťůđē Bøý 3 years, 4 months ago

CBSE > Class 10 > Science

0 answers

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Why the magnetic field of solenoid and electromagnet uniform

Posted by Rohit Kumar 3 years, 4 months ago

CBSE > Class 10 > Science

4 answers

Tanvi Goryan 3 years, 4 months ago

Because they both are same in nature

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Parth Mishra 3 years, 4 months ago

Because they both are same

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Navnidh Kaur 3 years, 4 months ago

Because the magnetic field is of straight lines inside the magnet or solenoid . This makes it uniform

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Adrija Saha 3 years, 4 months ago

As the current flowing through the loops in solenoid carry same amount of current, the field lines produced by individual loops join each other to produce uniform magnetic field.

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How absorption takes place in small intestine

Posted by Khushi Sangwan 3 years, 4 months ago

CBSE > Class 10 > Science