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67251.

What type of chemical reaction occurs to change the colour of ferrous sulphate

Answer» The type of reaction that takes place is Decomposition reaction. When a ferrous sulphate is heated it change into ferric oxide which is blue in colour along with sulphur dioxide and sulphur trioxide.
67252.

What is feno type

Answer» physicall appearance
Physical constitution of an allele.
Phenotype : The characteristics which is visible in an organism is called phenotype.
67253.

Explain , by giving an example , how oxidation and reduction proceed side by side

Answer»
67254.

Name the part of bryophyllum where the buds are produced for vegetative propogation

Answer» At the marginal part of leaves
At margin
At the margin of the leaves
67255.

Example of double displacement reaction

Answer» Naoh+Hcl. →nacl+h2o
Bacl2+Na2so4=Baso4 + 2Nacl
Open your chemistry book
So many are given in NCERT
67256.

What are the 4 difference between primitive subsistence farming and intensive farming?

Answer» The farming done by primitive tools such as hoe .. And intensive arming done by new machines and tools
67257.

What is a leguminous plant?

Answer» A pant with nodules rhizomes etc
In which root nodules are present use for nitrogen fixation increase soil fertility examples are cereals
67258.

State four main rules of parallel combination of resistors with example?

Answer»
67259.

How mendel show that trait is dominant or recessive

Answer» F1 generations are all real tree..Whereas f2 generations are3tall tree and 1 shOrtTree.so there are 3:1.so trait Mst be dominant or recessive
Obtaining ratio 3:1
67260.

How we can correct presbyopia

Answer» with the use of bifocal lens
Use of bifocal lens
bifocal lens
67261.

After fertilisation state the changes that occur in the ovule and the ovary

Answer» in plant overy ripens and turn plant and ovule turn into seed
Okk,ovule change into seeds and overy changes into fruits
The question is about fertilisation in plants
Overy stop reproducing egg
67262.

What is lateral inversion?????

Answer» Left seems to be right and vice versa in mirror
67263.

What is the difference between by alveoli and nephron

Answer» alveoli are present in lungs it is balloon like structure and help in exchange of gases but nephron are present in kidney and help in purifying blood ..
Alveoil help in exchanges of gases.Whereas alvoil help in purifying blood
If I\'m not wrong... alveoli is a balloon or bag like structure and nephrons are tubular structure.......#sudhanshu shekhar vats
Lungs function unit and nephron kidney
??
Alveoli are tube like structure while nephritis are bag like structure
Alveoli help in respiration while nephron purify blood
67264.

Can u explain the easy way for finding valency of electron

Answer» Outermost orbits electron
67265.

What is the work of gillibrium and cytokin harmones?

Answer» Gibberalins - It promotes cell enlargement and differentiation in th preseace of auxin.It also help in breaking of dormancy.Cytokinins- Ut promoted cell division.It delays the agring of sleaves.Ut is also promotes fruit growth.
67266.

What causes movement of food inside alimentary canal?

Answer» Thanks...
Peristaltic movement due to certain involuntary muscles
67267.

Do contraceptive pills helps in avoiding sexual transmitted diesease

Answer» No
No
No,it only prevent unwanted prgnency
67268.

When a cell reproduce,What happens to its DNA?

Answer» When a cell reproduces it has the copy of DNA from its parents DNA.
67269.

What is osmoreguation defain as 3marks

Answer» Hello koi hay
67270.

What is alleles

Answer» Gene pairs
#welcome.
Ok thanks
An alt\u200bernate form of g\u200bene. It is also called as allelomorph.
67271.

What is the function of the earth wire

Answer» #welcome.
Thanq
To receive excess amount of current and transfer it to the earth and protect from electrical shocking.
67272.

what is element

Answer»
67273.

Draw functioniing of brain

Answer» Functions of different parts of brain are:Medulla oblongata It controls involuntary actions and regulates reflex responses. It also controls blood pressure, salivation and vomiting.Cerebellum It controls and coordinates different muscular actions. It is responsible for voluntary actions and maintains equilibrium of the body during walking, drinking, catching, etc.Forebrain It has following parts:Cerebrum performs thinking, reasoning, speech, intelligence and usage of information.Olfactory lobes are responsible for detecting smell from different receptors.Diencephalon controls body temperature, urge of eating, drinking, etc.
Functions of different parts of brain are:Medulla oblongata It controls involuntary actions and regulates reflex responses. It also controls blood pressure, salivation and vomiting.Cerebellum It controls and coordinates different muscular actions. It is responsible for voluntary actions and maintains equilibrium of the body during walking, drinking, catching, etc.Forebrain It has following parts:Cerebrum performs thinking, reasoning, speech, intelligence and usage of information.Olfactory lobes are responsible for detecting smell from different receptors.Diencephalon controls body temperature, urge of eating, drinking, etc.
67274.

Where is vyshnavi?

Answer» Yes
67275.

Can we form gypsum from pladter of Paris?

Answer» Swaggy ko
Mujhe anushka....i love singing....??
Yes we can .see page no 33 at the top of the page the
#lovely i am dewana for dancing??Not for any person don\'t See my name with Diffrent angle
How?
Yaa...adding plaster of Paris with 3/2 water of crystallization
kis k dewane ho aap
Yes
67276.

what are peristaltic movement

Answer» Inner lining of the oesophagas contracts and relaxes rhythmically pushing the food forward into the stomach. This is called peristatic movement
They are involuntary action by the muscles in the digestive tract. Occasionally they are used to push food down the oesophagus until complete digestion.
Due to rythemic contraction of muscles in inner wall of oesophagus food is pushed down and enter in stomach this is called peristaltic movement
67277.

prove that voltmeter is used to zero

Answer»
67278.

Explain the ways in which glucose is broken down in absence of oxygen

Answer»
67279.

why do ventricles have thicker muscular wall than Atria

Answer» The ventricles of the heart have thicker muscular walls than the atria. This is because blood is pumped out of the heart at greater pressure from these chambers compared to the atria.
Because blood goes in ventricle with a very high blood pressure,there is a harm of burst of ventricle
67280.

Difference between speciation and evolution.

Answer» Evolution means naturally slow and irreversible process of change. Speciation means formation of new species from its pre-existing species.
67281.

What happen if DDT enters in food chain?

Answer» Undisputed one आप btao aap mujhe kese jante ho
Bio magnification will happen and the top organism on food chain will be harmed most
67282.

What is corrosion! And its effect

Answer» A process in which metal is gradually eaten up or degraded by the action of wind, water or chemical is called corrosion. Its effects can be seen as rusting of iron, silver articles turning black in colour, etc.
Corrosion is formation of oxide or sulphide etc layer of metal on it\'s surface it leads to eating up of metal
67283.

Jsjsjshshshd

Answer»
67284.

Properties of acids bases salt

Answer»
67285.

"pH has a great importance in our daily life" explain by giving three examples

Answer» 1.Plant Grow in specific ph soil.2.Tooth decay start when ph is low to 5.53.blood have specific ph (7.7) any change in ph can lead to death
67286.

Why we store silver chloride in dark coloured bottles

Answer» Koi ni yrr,spelling mistake to hoti rehti he
Sorry chlorine spelling get wrong
Are u free mandal
Because if it will ccome in contact of sunlight it will decompose into silver(grey in color) and chlorime
Most welcome
Thank u??
Silverchloride when exposed to sun gets decomposed to give silver and chlorine
To protect from sunlight
Because it is decomposed in presence of sunlight.
67287.

Name the two embroynal axis in plants?

Answer» Xylem phloem
67288.

Is BaSO4 soluble in water or not?

Answer» Formed as a precipitate in rection
No
67289.

Symptoms

Answer» A symptom is a departure from normal function or feeling which is noticed by a patient, reflecting the presence of an unusual state, or of a disease.
67290.

can u send chemical equations in tabular/series form please

Answer» Nope it\'s not possible here
67291.

Write the number of covalent bond in the molecule of propane

Answer» 10
10
10
67292.

If we take oxygen from our mouth the harmful organism does\'t harm our body

Answer» Fool
67293.

can i get 2018 hslc question paper

Answer»
67294.

Magnesium burns with oxygen

Answer» Mg. +O2. =MgO. 2Mg +O2=2MgO
Mg+O2=MgO
Mg +o2=mgo
Pagal heigh kya kare tu
67295.

Flow chart of heart

Answer» How I draw it
67296.

What is poultry

Answer» Poultry is farming of hens ,chicken,broiler and layers...
P
67297.

What is meaning ductility

Answer» the quality or state of being ductile especially : the ability of a material to have its shape changed (as by being drawn out into wire or thread) without losing strength or breaking When certain alloys are added to metal, hardness and strength can be improved without decreasing the ductility. —
Chutiya
Ductility is a property of a metal in which it can be drawn into wires..Ex: copper,silver etc.
What is meaning ductility
67298.

in which *** organisms are found

Answer»
67299.

What is tropic movement ? Explain with eg

Answer» Tropic movements happen as a result of growth of a plant part in the direction of the stimulus. There are four types of tropic movements, viz. geotropic, phototropic, hydrotropic and thigmotropic. Example : Roots usually show positive geotropic movement, i.e. they grow in the direction of the gravity.
Tropic movements\xa0happen as a result of growth of a plant part in the direction of the stimulus. There are four types of tropic movements, viz. geotropic, phototropic, hydrotropic and thigmotropic. Example : Roots usually show positive geotropic movement, i.e. they grow in the direction of the gravity.
Tropic( turning) movement is growth movement affected by external stimuli such as light,water and chemical etc. It is basically 5 types:1 phototropism2 hydrotropism 3 geotropism4 chemotropism5 thigmotropism
67300.

GUYS I AM SORRY IT WAS MY FRIEND U WROTE THOSE WORDS I AM REALLY SORRY 🙏

Answer»