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As the substances of the colloid SOLUTION are very SMALL and can easily pass through filter paper.. this is the REASON why we can't separate a colloid solution..

(K) is odd

Bcoz — (A, O, AB, B) are BLOOD GROUPS.

DEAR Student,

◆ ABO blood group system -

• CARL Landsteiner classified blood groups ACCORDING to presence/absence of antigens A & B on RBCs.

1. Group A have A antigen.
2. Group B have B antigen.
3. Group AB have both A & B antigen.
4. Group O have no antigens.

# Group O is called universal donor because -

• Group O doesn't have any antigens on its RBCs.
• So our IMMUNE system system doesn't react to RBCs of O blood group as there is no antigen.
• As this blood can be given to person with any blood group, person with O blood group are universal donor.

Thank dear...

The AVERAGE kinetic energy of atoms in a hot OBJECT is LESS than the average kinetic energy of atoms in a cold object.-FALSE

Gravity : It is the special case of the gravitation in which one body is earth and second body is any other body of the universe.
Friction : The opposing force which ACTS in the OPPOSITE direction of the MOVEMENT of the UPPER body is CALLED friction.

If mitochondrion PRESENT in RBC it would lack most of its primary FUNCTIONAL and structural elements.

As a RESULT the redundant mitochondria would be spotted and successfully destroyed via mitophagy and most of oxygen carried would be UTILISED for the cellular respiration that occurs in mitochondria.

Dispersal of seeds by water is great for the fruit trees growing near water resources.

This method is vital for the plants growing near seashore like COCONUT.

Coconut seed is very big and HENCE can’t be carried by birds or ANIMALS.

These seeds float when the outer layer dries off.

The dry and fibrous mesocarp and the hard endocarp of COCONUTS MAKE them particularly suitably for this type of dispersal.

V = vλ,1000×(34100 )= 340m/s

λ = 34100m

∴ t= DV = 1000340

=2.94

=3 s APPROX

Introduction • Properties of magnet → Characteristics of FIELD lines → MAGNETIC Field of a BAR Magnet • Right Hand THUMB RULE • Magnetic Field due to ...

The advantage of GALVANISING iron by tin PLATED iron is it PREVENTS it from rusting.
Hope its helpful!!!!

Mother press WET cloth strips on forehead during fever since doctor’s advices so.

The reason behind the wet and cold compress on forehead is that WATER in the wet cloth strips absorbs the HEAT directly from the body, especially from the head by evaporation.

This BRINGS down the temperature of the body.

Who gives me the colour? (Select the correct OPTION.) the ANSWER of the above question will be like this, Red tomato ----- Lycopene, Green LEAF ----- Chlorophyll, Carrot ---------- Carotene, Violet ---------- Anthocyanin.

This is the correct FORMS and matching pairs of the given names and the options for them.

It HELPS in the CONTROLLING or BREAKING or CLOSING of the CIRCUIT

HERE'S YOUR ANSWER......✌️✌️

Bacteria causes by many types of benefits such as GOOD make to sperm in a BODY sperm is TYPE of bacteria

5 FACTORS which affect the environment are:
1- GLOBAL warming
2-Noise pollution
3- High QUANTITY of exhaust gases
4- High NUMBERS of industries
5- Population increase

A compression is a region in a longitudinal WAVE where the particles are closest together and a RAREFACTION is a region in a longitudinal wave where the particles are FURTHEST APART.

The particles in dettol are very very small in size and have enough space in between them as a result the dettol particles mix with or DISTRIBUTE in waterevenly. This makes the smell of the dettol to be DETECTED even after repeated DILUTION of dettol INWATER.

Ans: The heating element of the heater is made up of alloy which has very HIGH resistance so when current FLOWS through the heating element, it BECOMES too hot and glows red. But the resistance of CORD which is usually of copper or aluminium is very law so it does not glow.

The pH scale is used to MEASURE the acidity of a SUBSTANCE. The pH of milk is 6 while that of curd is of the range 4.5 - 5.5. The pH decreases as milk changes into curd. This is because of the formation of lactic acid which as the name suggests is acidic in NATURE.

Its DIFFUSION( spereading in AIR) PROPERTY

True. Temperature is a MEASURE of the AVERAGE kinetic energy of the molecules, so energy would naturally be TRANSFERRED from the molecules with more kinetic energy to the molecules with less kinetic energy.

Collidal solution is a HETEROGENEOUS mixture . the size of particles are too small that it cannot be seen through naked eyes . they are big enough to scatter a beam of light passing through it and make its path VISIBLE .collidal solution SHOWS Tyndall EFFECT

Leaves are green because of me - Who am I? I am CHLOROPHYLL due to which leaves of PLANTS are green.

Chlorophyll is a pigment found in the thylakoid membranes of the chloroplasts in the leaves .

This is why plants are green. Chlorophyll is vital for photosynthesis, which helps plants GET energy from LIGHT.

Hey dear..
here is ur answer
During heavy RAINS, trees reduce the RISK of flooding. There are TWO major ways in which trees provide protection against flooding. Experts say that woodland acts as a barrier to floodwater, while trees also preventsoil erosion, reducing SEDIMENT going into rivers and increasing water absorption into the ground.

The main FUNCTION of endocrine glands is to secrete hormones DIRECTLY into the bloodstream. Hormones are chemical substances that affect the activity of ANOTHER part of the body (target SITE). In essence, hormones serve as messengers, controlling and coordinating activities THROUGHOUT the body.

Glass used in making car is called safety glass. The glass used in the WINDSHIELD is laminated glass.

These are all SPECIAL types of glasses which are used for making cars so that they don’t break easily, and when they beak they don’t cause much INJURY.

In the dairy industry, feed intake can be considered as one of the MAJOR limitations. In most cases the dairy animals are fed with dry food intake. This is done in comparison to the concentration of MOISTURE. This FACTOR is affected by animal as well as feeds. Apart from this, there are a number of other factors on which the feed intake for dairy animals would depend.

Some of the other factors may also include the overall body size of the animal, lactation stage of the dairy animal and total milk volume production by the dairy animal.

The animals that PRODUCED more amount of milk on daily BASIS would be offered with over 5 percent of feed as compared to their overall body weight. In general the feed percentage for dairy animals may vary between 3.5 to around 4 percent of their body weight.

Arabian SEA..

hope it helps U!!

"GOOD EVENING"

Cross pollination takes place when the pollen grains are transfered from the ANTHER to the stigma of DIFFERENT flowers. It is carried out by different agents.The cross pollination facilitated by wind is KNOWN as anemophily and those carried out by animals such as insects, birds, bats and other MAMMALS is known as zoophily.

Hope this helps,

The moisture content NORMALLY lies and gets EVAPORATED and helps in catching with ideal fuel option.

It denotes the fire and CONTAINS HYDROGEN that usually gives complete oxidation during burning of wood. This should CONSIDER hydrogen content and dry words are an ideal choice for camp fire.

It is commonly USED to precast and hold parts of ornamental plasterwork PLACED on ceilings and cornices. It is ALSO used in medicine to make PLASTER casts to immobilize BROKEN bones while they heal, though many modern orthopedic casts are made of fibreglass or thermoplastics.

Mass is the amount of matter PRESENT in a body while WEIGHT is a measure of how strongly GRAVITY PULLS on that matter.

The two most popular devices that can detect EARTHQUAKES and tsunamis are The Brinco and the Omron D7S SEISMIC Sensor.

The Brinco is a SMALL metallic cylinder that is round and flat in shape.

It monitors seismic FLUCTUATIONS and issues warnings.

It also has an app.

The Omro D7S packs an algorithm technology that detects genuine seismic fluctuations.

It HELPS to CATCH it's PREY and it is the FALSE FEET

The angular MOMENTUM (MVR) of ELECTRON in nth orbit is EQUAL to nh/2π

Clinical THERMOMETER had a u BEND tube called kink which stops themercury's back flow into bulb, thus it is USE to measure the TEMPRATURE of HUMAN BODY. clinical thermometerThis thermometer is used in homes. Itis basically used to measure THETEMPERATURE of humans.

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We have certain skin RASHES and other skin PROBLEMS as everyday we DONT PLAY with colours and waters in this much so it harms our skin

SELECTING a method for separating various components in a mixture DEPENDS on the NATURE size and texture of the components.
for a volatile and nonvolatile components evaporation can be used .
Sublimation can be used to remove a component that is subliminable
Filtration can be used if the components doesn't PASS through filter paper.
Centrifugation is used in colloidal solution.

Like this various techniques are used and ask for the needs of USE

With only basic materials such as a permanent magnet, electrical wires and a BATTERY, a teacher can demonstrate DIFFERENT ways to magnetize an iron NAIL. He can TURN a nail into an electromagnet, or permanently magnetize it by RUBBING it with another magnet.

Hydrogen is the lightest element .hydrogen can be prepared by the rection of metals with water , dilute acids and alkalis.....

example of reaction with water...

2K+2H2O------}2KOH+H2

example of reaction with dilute acids...,.

ZN + H2SO4--------}ZnSO4+H2

THE LABORATORY WAY TO PREPARE HYDROGEN GAS IS.....

dilute sulphuric acid in granulated zinc in a conical flask produces hydrogen...

I HOPE I HELPED YOU....

PLEASE MARK IT AS BRAINLIST IF IT'S HELPFUL....

The TENDENCY of an atom in a molecule to attract the SHARED pair of ELECTRONS towards itself is CALLED its electronegativity

HERE IS YOUR ANSWER

____________________________________

AIR POLLUTION
This is an extremely DANGEROUS form of environmental toxification.
This could lead to major HEALTH related issues and maybe lead to EXTINCTION of humanity.

HOW TO STOP THIS
• Reduce the usage of air conditioners and other coolers.
• Avoid using room freshners.
• Avoid burning plastics and other toxic substances.
• Reduce the probability of smoking among teenagers which directly AFFECT health and ecosystem.
• Avoid using motor vehicles for short distances.
• Encourage car pooling.

All the best........!!!

____________________________________

THANK YOU