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Why corrosion is harmful

Posted by Om? Modi 5 years, 8 months ago

3 answers

Rishabh Dubey 5 years, 8 months ago

Corrosion is harm full because they can destroy the metals and change it unto undesirable compound by acrion othe air water acid etc. The corrosion can caused by oxidation

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Indian Gamer 5 years, 8 months ago

It softer the metal body and so they can easily break down

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Shivam Ojha 5 years, 8 months ago

Corrosion is harmful for metal body like car body and in windows so thats why corroaion is harmfull and to prevent corrosion we should paint the metal body by paint

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ANSWER

Drishti dosh

Posted by Ambar Sah 5 years, 8 months ago

CBSE > Class 10 > विज्ञान

1 answers

Bunny Singhania 5 years, 8 months ago

Drishti dosh teen Prakar ke hote hain pahla dirgh Drishti dosh dusra nikat Drishti dosh Teesra Jara-Dur Drishti dosh

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ANSWER

what happened during the process of photosynthesis

Posted by Raju Meena 5 years, 8 months ago

CBSE > Class 10 > Science

2 answers

Shanti Singh 5 years, 8 months ago

It is a biochemical process of manufacture of organic food from carbondioxide and water with the help of solar energy inside chlorophyll

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Ritik Dhiman 5 years, 8 months ago

The plants take carbon dioxide,water and convert into complex substance in the presence of cholrophyll and sunlight

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ANSWER

What is this

Posted by Tanuj Garjola 5 years, 8 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

Reactivity of aluminium decreases if it is dipped in nitric acid explain.

Posted by Manisha Dhibar 5 years, 8 months ago

CBSE > Class 10 > Science

1 answers

Shreya S❤ 5 years, 8 months ago

Formation of layer of aluminium nitride

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ANSWER

Why does bleaching powder smell stongly of chlorine and does not dissolve completely in water

Posted by Manisha Dhibar 5 years, 8 months ago

CBSE > Class 10 > Science

4 answers

Rishabh Dubey 5 years, 8 months ago

The smell of the bleaching powder is strongly chlorine because they can contain the chlorine gas . It can not dissolve in water because in the preparation of the bleaching powder the use of the calcium . When the bleaching powder can under goes in the water then the calcium can react with the water to form the slacked lime which is commonly known as calcium hydroxide

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Deepak Silaych 5 years, 8 months ago

Its smell so because it contain clorine. It is insoluble in water because it contain calcium which is know for its insolubility in water

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Shreya S❤ 5 years, 8 months ago

It react with air to release chlorine and doesnot dissolve complete due to presence of unreacted lime

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Modh Niyati 5 years, 8 months ago

?? I can't understand your question

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ANSWER

What are the factors of evolution?

Posted by Sachin Kumar Upadhyay 5 years, 8 months ago

CBSE > Class 10 > Science

2 answers

Yug Shrivastava 5 years, 8 months ago

Factors of evolution are Genetic Drift ,Geographical Isolation and Natural Selection

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Modh Niyati 5 years, 8 months ago

Genetic drift, environmental factor, variation and

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ANSWER

Write the name and formulae of three hydrate salts

Posted by Manisha Dhibar 5 years, 8 months ago

CBSE > Class 10 > Science

1 answers

Avika Goel 5 years, 8 months ago

Sodium carbonate (Na2co3.10H2O) Sodium borate (Na2B4O7.10H2O) Ferrous sulphate(Feso4.7H2O)

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ANSWER

In electolysis of water,why are few drops of dill. H2SO4 added to water

Posted by Manisha Dhibar 5 years, 8 months ago

CBSE > Class 10 > Science

3 answers

Avika Goel 5 years, 8 months ago

For breaking down of bonds of water

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Mayank Jain 5 years, 8 months ago

H2SO4 act as an electrolyte

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Shreya S❤ 5 years, 8 months ago

For better conductivity

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ANSWER

Why.the mole of ratio of hydrogen and oxygen gases liberated during electrolysis of water is 2:1

Posted by Manisha Dhibar 5 years, 8 months ago

CBSE > Class 10 > Science

4 answers

Rishabh Dubey 5 years, 8 months ago

Because of the in water the amount of the hydrogen is more than oxygen

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Sri Shivani Sankar 5 years, 8 months ago

The volume of hydrogen snd oxygen in water is of the volume 2:1.

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Modh Niyati 5 years, 8 months ago

Formula of water H2O that's why

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Modh Niyati 5 years, 8 months ago

Formula of eater h2o

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ANSWER

What happens when milk is left open at room temperature during summers

Posted by Manisha Dhibar 5 years, 8 months ago

CBSE > Class 10 > Science

3 answers

Indian Gamer 5 years, 8 months ago

Upper layer of water is formed

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Tanuj Garjola 5 years, 8 months ago

It will become water

1Thank You

Modh Niyati 5 years, 8 months ago

Fermentation process occur milk turns into curd lacti acid produce

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ANSWER

If a is irrational number √b is a irrational number then prove that a+√b is irrational number

Posted by Govindu Maydhini 5 years, 8 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

The1830were the year of great hardship in europe ?give reason

Posted by Atul Rajput 5 years, 8 months ago

CBSE > Class 10 > Social Science

2 answers

Rani Mishra ??? 5 years, 8 months ago

This is the answer of your question

1Thank You

Rani Mishra ??? 5 years, 8 months ago

During the first half of the 19th century there was an enormous increase in population requring of lakhs of jobs . Due to this unemployment increased. The job seekers or unemployed people migreated from village to cities and lived in overcrowded slums. Small producers faced stiff competition from import of goods from England. The peasants struggled under the burden of fedual dues and obligations. The rise of food prices or a year of bad harvests led to widespread poverty.

2Thank You

ANSWER

what is the function of micropyle ?

Posted by Arjun Jakhar 5 years, 8 months ago

CBSE > Class 10 > Science

1 answers

Avika Goel 5 years, 8 months ago

Part in the ovule from where the male germ cell enters in the ovule

1Thank You

ANSWER

What is a reaction

Posted by Licy Mathew V 5 years, 8 months ago

CBSE > Class 10 > Science

1 answers

Tanuj Garjola 5 years, 8 months ago

Nothing It is for giving us a disorder

1Thank You

ANSWER

How did the little shallow carry out the wishes of the happy prince

Posted by Satnam Singh 5 years, 8 months ago

CBSE > Class 10 > English Language and Literature

2 answers

Shreya S❤ 5 years, 8 months ago

Class 10 h y aur vo shallow nhi h

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????? ?????? 5 years, 8 months ago

I think ye 9 class ka question hai

2Thank You

ANSWER

which is tthe purest allotrope of carbon ?

Posted by Arjun Jakhar 5 years, 8 months ago

CBSE > Class 10 > Science

6 answers

Rani Mishra ??? 5 years, 8 months ago

Graphite

0Thank You

Tanuj Garjola 5 years, 8 months ago

Gold

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Amir Rahmani 5 years, 8 months ago

Only graphite

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Modh Niyati 5 years, 8 months ago

Diamond only

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꧁༺★King K. Tyagi Ji}★༺꧂ ??? 5 years, 8 months ago

Graphite and diamond

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꧁༒☬☠Ashu??Mikku☠︎☬༒꧂ Tiwari 5 years, 8 months ago

Diamond

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ANSWER

A compound 'x' on heating with excess conc. Sulphuric acid at 443 k gives unsaturated compound 'Y'.'X' also reacts with sodium metal to evolve colourless gas 'Z'.Identify 'X', 'Y' and 'Z'.write the equation of the chemical reaction of formation of 'Y' and also write the role of sulphuric acid in the reaction.

Posted by Bharat Choudhary 5 years, 8 months ago

CBSE > Class 10 > Science

3 answers

Amir Rahmani 5 years, 8 months ago

The compound X is ethanol, Y is ethene and Z is hydrogen. Sulphuric acid work as dehydrating agent

1Thank You

Ankit Singh Thakur ?? 5 years, 8 months ago

X is Ethanol Y is ethene and Z is Hydrogen gas

1Thank You

Shreya S❤ 5 years, 8 months ago

X= c2h5oh ............Y= etene C2h4.........z= hydrogen..........sulphuric acid acts as dehydrating agent

1Thank You

ANSWER

The speed of light in a transparent medium is 0.6 times that of its speed in vaccum.what is the refractive index of the medium

Posted by Bhumika Neogi 5 years, 8 months ago

CBSE > Class 10 > Science

8 answers

꧁༒☬☠Ashu??Mikku☠︎☬༒꧂ Tiwari 5 years, 8 months ago

Or batayo

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Shreya S❤ 5 years, 8 months ago

Not yet

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꧁༒☬☠Ashu??Mikku☠︎☬༒꧂ Tiwari 5 years, 8 months ago

Ha tayar ho gaya tumhara

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Shreya S❤ 5 years, 8 months ago

Science

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꧁༒☬☠Ashu??Mikku☠︎☬༒꧂ Tiwari 5 years, 8 months ago

Kis chiz ka paper

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Shreya S❤ 5 years, 8 months ago

Heello Paper tyar ho gyakya?

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꧁༒☬☠Ashu??Mikku☠︎☬༒꧂ Tiwari 5 years, 8 months ago

Hii

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Shreya S❤ 5 years, 8 months ago

5/3

1Thank You

ANSWER

What is our body made up of ?

Posted by ꧁༺★King K. Tyagi Ji}★༺꧂ ??? 5 years, 8 months ago

CBSE > Class 10 > Science

14 answers

Shreya S❤ 5 years, 8 months ago

Yes like nitrogen in dna

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꧁༺★King K. Tyagi Ji}★༺꧂ ??? 5 years, 8 months ago

Hmm shreya or bhi bhout ha

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Shreya S❤ 5 years, 8 months ago

Mostly carbon metal..nhi to aur bhi bhot sare metals hote h

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Shreya S❤ 5 years, 8 months ago

Carbon metal ??

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Sowndaryaa Lakshmi V 5 years, 8 months ago

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꧁༺★King K. Tyagi Ji}★༺꧂ ??? 5 years, 8 months ago

Sub ki preparation kaise chl rahe ha

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꧁༺★King K. Tyagi Ji}★༺꧂ ??? 5 years, 8 months ago

In exam guru of cbse 10 ch 3 metals and non metals . Q no. 16 pg no. 71 .shreya

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꧁༺★King K. Tyagi Ji}★༺꧂ ??? 5 years, 8 months ago

Mast

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꧁༒☬☠Ashu??Mikku☠︎☬༒꧂ Tiwari 5 years, 8 months ago

I am fine apna batayo

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Shreya S❤ 5 years, 8 months ago

Kis respect m h ye question . Our body made up of cells .

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꧁༺★King K. Tyagi Ji}★༺꧂ ??? 5 years, 8 months ago

Hii ashu , how are you

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꧁༺★King K. Tyagi Ji}★༺꧂ ??? 5 years, 8 months ago

But diksa cells is the incorrect answer

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꧁༒☬☠Ashu??Mikku☠︎☬༒꧂ Tiwari 5 years, 8 months ago

Hiiii

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Shreya S❤ 5 years, 8 months ago

Yep ...cells.?

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ANSWER

If the image formed by a spherical mirror for all position of the object placed in front of it is always erect and diminished, what type of mirrors is it ? Draw a labelled ray diagram to support your answer

Posted by Bharat Choudhary 5 years, 8 months ago

CBSE > Class 10 > Science

3 answers

Ayuaj Bhardwaj 5 years, 8 months ago

Convex mirror

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Arjun Jakhar 5 years, 8 months ago

convex mirror

2Thank You

Aadya Singh 5 years, 8 months ago

It is convex mirror....

2Thank You

ANSWER

Write 4/four properties of ionic compound.

Posted by Leepaxi Diwan? 5 years, 8 months ago

CBSE > Class 10 > Science

5 answers

Manisha Dhibar 5 years, 8 months ago

1. They are solid and hard,generally brittle 2.They have high melting and boiling point 3. Generally soluble in water and insoluble in solvents such as kerosene and petrol etc. 4. Ionic conpounds conduct electricity in molten state and solution form but not in solid state

1Thank You

Aadya Singh 5 years, 8 months ago

4) It conduct electricity when dissolved in water...

3Thank You

Aadya Singh 5 years, 8 months ago

3) It is soluble in water but insoluble in organic solvent...

3Thank You

Aadya Singh 5 years, 8 months ago

2) It has high melting and bioling point..

3Thank You

Aadya Singh 5 years, 8 months ago

1) Ionic compound are crystalline solid...

3Thank You

ANSWER

What are ionic compound.

Posted by Leepaxi Diwan? 5 years, 8 months ago

CBSE > Class 10 > Science

2 answers

Manisha Dhibar 5 years, 8 months ago

The compound formed by the transfer of electrons from a metal to a non- metal are called ionic compounds or electrovalent compounds

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Aadya Singh 5 years, 8 months ago

The compound which is formed by transfer of electrons between metal and non-metal...

2Thank You

ANSWER

Explain the formation of CH4 molecules

Posted by Neha Saini 5 years, 8 months ago

CBSE > Class 10 > Science

1 answers

Ayuaj Bhardwaj 5 years, 8 months ago

C is joint with all its end and after joining it Will all end it makes CH4

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ANSWER

Physica

Posted by Ankit Kumar 5 years, 8 months ago

CBSE > Class 10 > Science

1 answers

Modh Niyati 5 years, 8 months ago

Very easy learn properly

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ANSWER

Write the energy conversion that takes place in a hydropower plant .

Posted by Bharat Choudhary 5 years, 8 months ago

CBSE > Class 10 > Science

2 answers

Arjun Jakhar 5 years, 8 months ago

potential energy of water stored area —— kinetic energy of flowing water ——— mechanical (kinetic) energy of turbine ——— electrical energy (converted in generator)

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Aadya Singh 5 years, 8 months ago

Kinetic and potential energy changes into electrical energy...

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ANSWER

Aukshijanit aur viaukshijanit kis rudhi mai hota hai

Posted by Śěřãj The Cute? 5 years, 8 months ago

CBSE > Class 10 > विज्ञान