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We wear HELMET while driving a MOTOCYCLE or SCOOTER because it will give us safety in a way that it protects our head from ACCIDENTS.

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Your ANSWER is Natural COTTON


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A) aluminium is very reactive metal, so if NaOH is stored then both AL, NaOH will react

2 Al + 2 NaOH + 2 H2O → 2 NaAlO2 + 3 H

B) Because Magnesium has a great affinity to combine with O2 of SO2 rather than from NORMAL air.

Mg + SO2 → MGO + S

DIFFERENT TYPES of SYNTHETIC DYES

1.Basic Dyes

2.Acid Dyes

3.Disperse Dyes

4.Sulfuric Dyes

5.Direct Dyes

6.Azoic Dyes

7.Vat Dyes

The ANS is TRANSPIRATION PULL

Static FRICTION is the force of friction that opposes the movement of a stationary object (object at rest).

The static friction is greater than kinetic friction force. As if you apply force to move an object, it increases its static friction force to prevent any motion. But after a certain limit the force APPLIED increase the friction force. This static friction force reaches at its maximum. Then object STARTS to move and then kinetic friction works on it. This kinetic friction is less then static friction.

STUDYING the physical properties of substance is important as.

1.They help classify matter and recognize DIFFERENT things like the difference between as something the has been expired and one still can be used

2.Physical properties can also be used to DETERMINE the freezing or boiling PONT of an object and let us know the best conditions to use it.

And we know that physical properties of substance depend on chemical properties.

Thus it is essential to study or checking chemical and physical property of daily use substance or material.

"1. Hope's apparatus is used to study the anomalous heat expansion of water. It consists of a "long cylindrical" metallic jar fitted with two thermometers.

2. Freezing mixture is "added" to the centre of the trough in the cylinder.

3. Due to the convection and resultant change in volume and DENSITY of water, the temperature of water at the cylinder centre reduces CONTINUOUSLY but the temperature at the bottom remains the same at 4℃.

4. Due to this continuous decrease in temperature, a layer of ice is FORMED at the upper surface.

5. This proves that the "maximum density" of water remains at 4℃. This also EXPLAINS how water bodies get cooled faster on the upper layer than the bottom layer during the winter SEASON. This helps the aquatic organisms to survive in the warm underwater even in winter season."

It is useful as

It HELPS in RETAINING the HEAT INSIDE.

Acid is a substance which is SOUR in taste and can dissolve MANY metals. There are two types of acids, ONE organic and MINERAL. Mineral acid is stronger than organic acid

A pinhole camera is a SIMPLE camera WITHOUT a lens but with a tiny aperture, a pinhole – effectively a light-proof BOX with a small hole in one side. Light from a scene passes through the aperture and projects an inverted IMAGE on the opposite side of the box, which is known as the camera OBSCURA effect.

Zamindar system was introduced by Lord Cornwallis through permanent settlement during the British Period.The term means land owner in Persian.Under the system Zamindar was the landlord of an area and he had to pay a fixed sum of land revenue to the STATE which he collected from the peasants.Typically hereditary, zamindars held enormous TRACTS of land and control over their peasants, from whom they reserved the right to collect TAX on behalf of IMPERIAL courts or for military purposes.

i didn;t UNDERSTOOD the QUESTION

In any order the conduction of electricity is only possible by the moment of electrons.

in the LIQUIDS the conductivity of ELECTRIC take PLACE by EMF ( Electro Motive FORCE ) .

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⭐⭐⭐(D)⭐⭐⭐


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Hey There! Bauxite is a white, red, yellow, or brown amorphous CLAY like SUBSTANCE comprising aluminium oxides and hydroxides, often with such impurities as iron oxides. It is the chief ore of aluminium.









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1. an atom has a DENSE,heavy,positively CHARGED central part of called nucleus
2. the total electrons are present at very large distances from the nucleus
3.the total positive charge on the nucleus is equal to the total negative charge on all the electrons so that atom on the whole is ellectrically neutral
4.the electrons are revolving around the neuclous so that attractive force of the nucleus is balanced by the centrifugal force



drawback
1. it could not explain the stability of an atom when charged electrons are moving under the attractive force of positively charged nucleus........... hope it will help U

As you KNOW that C3H6 IS A ALKENE WITH DOUBLE BOND , C4H8 AND C5H10 IS ALSO A ALKENE.. BUT C3H6 WILL HAVE MORE BOILING POINT BECAUSE LESS HYDROGEN ATOMS AS COMPARED TO BOTH ..

Here is your ANSWER..
GENERATOR is the correct answer as the other materials EITHER conducts electricity or bad CONDUCTORS of electricity bit the generators produces electricity.


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Answer is B

Explanation :-

            1) Waste P does not show any CHANGE, HENCE we can SAY it a non-    biodegradable waste material.

            2) Waste S shows maximum change in two months, hence we can CALL it as biodegradable waste material.

Answer : the absolute refractive INDEX of the medium is 2

Explanation :

v = c / u

where c is the SPEED of LIGHT in vacuum

u is the absolute refractive index of the medium

and v is the speed of the light in that medium

So, u = c / v

       c = 3 x 10 ^ 8 m/s

       v = 1.5 x 10 ^ 8 m/s given

=> u = 3 x 10 ^ 8/ 1.5 x 10 ^ 8

       = 3 / 1.5

       = 2

Some common natural disasters are earthquakes, landslides floods, droughts, cyclones, etc. TSUNAMIS, volcanic eruptions and wildfires are ALSO included under natural disasters. These disasters cause ENORMOUS loss to LIFE and property

The WATER FORMS ICE at 0degree C but it COOLS at 4degreeC

1. They contain important NUTRIENTS, so instead of using them as fuel, using them as manure would be wiser.

2. They produce smoke, CAUSING air pollution.

3. They have LOW CALORIFIC value.

4. They produce large amount of ash as residue.

The CORRECT OPTION is option (d)

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Case 1.

Iron reacts with dilute sulphuric ACID to form ferrous sulphate.

The balanced equation is:

FE +H2SO4 -> FeSO4 + H2

Case 2.

Iron reacts with conc. Sulphuric acid to GIVE ferric sulphate.

Thus the balanced equation looks like :

3FE +8H2SO4 -> FeSO4 + Fe2(SO4)3 + 4SO2 +8H2O

(a) डेसीबेल
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1. The compound is acetic acid and the functional group is carboxylic acid group.

2. When it reacts with sodium bicarbonate then it forms sodium acetate , WATER and carbon dioxide. Then we can identify that the COMPOND is ch3cooh

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They SEEN that CROW EAT them and elepant FOOT DESTROY them

⏬⏬Here is the ANSWER ⏬⏬


⭐⭐⭐(B) ⭐⭐⭐


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⏬⏬Here Is the Answer⏬⏬


⭐⭐b⭐⭐


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Yo!

The solid weighs more in AIR, because in the WATER, it's almost half the size it's in air. That's why if you try to pick up a heavy OBJECT in the water,you'll see that it's comparatively EASY to do that,than in air.

Hope that this helps you!

-TGA.

P.S-Ofcourse for Hulk,this would be a piece of cake! XDDD

EXPLAIN the term absolute refractive index of a medium and write an expression to relate it with the speed of light in vacuum. ... Laws of refraction STATES that: (1) The incident RAY, the refracted ray and the normal to the interface of two media at the POINT of INCIDENCE all lie in the same plane.

it will have a deficiency in OVERALL GROWTH unless the food GIVEN is IODINE rich

"The answer is the SOIL profile. When you dig up the ground, you can find this soil profile.

Three different LAYERS mean soil layers in a soil profile.

It is essential to know about each of them to LEARN about the type of soil, MICROORGANISMS and animals and their BEHAVIORS in them.

"

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Here is u r Ans ➡

✔ It COULD be the residual volume and FUNCTIONAL residual volume, because it INCREASES its amount. Because it traps air. On the other hand it also affects the Forced vital capacity because it decreases the amount of air that can be forcibly EXHALED immediately after one inhalation.

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ANSWER...


the reason for versatile nature of Carbon are:-


1. Catenation - it is the UNIQUE property of self linkage of carbon ATOM by MEANS of covalent bond to form straight change or BRANCH change or the ring of different sizes.

2. tetracovalency - due to a small size and presence of four valence electron carbon can form strong bond with other carbon atom hydrogen, oxygen, nitrogen and sulphur etc.

3. multiple bond formation - small size of carbon also enables it to for multiple Bond with other element as WELL as with its own atom. this increases the number of carbon compound.


4. Isomerism - the phenomenon by means of which the carbon compound with same molecular formula show different structure and property.

Heya here is your ANSWER..............
LIGHTING brings about nitrogen ° fixation.
⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐
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Mitochondria PRODUCES energy using OXYGEN within the cell convert chemical energy from food in the cell.this SENDS to host cell.

➡NADPH HELPS to generate energy from ATP in mitochondria.

________________________

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HEY Buddy....!! here is ur answer

Difference between electrons, NEUTRONS and protons : There are some differences...

1) On the BASIS of charge : Proton - Positive, Electron - Negative and Neutron - No charge.

2) On the basis of position : Electrons are present OUTSIDE of the nucleus of an ATOM, while Proton and Neutron are present inside the nucleus of an atom.

I hope it will be helpful for you...!!

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