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4501.

In Newlands\' Law of Octaves........ the name of the scientist is Newland or Newlands???

Answer» Its NEWLAND
4502.

How to study for pa2 exams.

Answer»
4503.

What is angle in incidence and angle of reflection proper definition

Answer» Angle of incidence is the angle between the incident ray and the normal. Angle of reflection is the angle between the reflected ray and the normal.
4504.

Why paraffines called alkanes?

Answer» Paraffins is a Latin word meaning (parum = little + affinis = reactivity).\xa0Alkanes\xa0arecalled\xa0paraffins because they have a little affinity towards a general reagent. In other words,\xa0alkanes\xa0are inert substances. They undergo reactions under drastic conditions.
4505.

What is the role of hydrochloric acid in our stomach?

Answer» -To make the medium acidic so that the enzyme pepsin acts on protein. -To kill the germs.
It\'s kill the bacteria which enters into through food and make acidic medium if the basicsity becomes high and it is swcreated by walls of the stomach ..
4506.

Alcohol is acidic or basic

Answer» It can show acidic property at the OH group
Neither acidic nor basic
4507.

Which metal has the lowest melting point

Answer» Mercury
MercuryWhen it comes to metals, mercury is quite a curiosity. Most metals have a melting point that is in the hundreds or thousands of degrees (copper melts, for example, at 1,984.32F). Mercury on the other hand has a melting point of -37.89F; as long as it is warmer than that very chilly temperature point it remains liquid.
Francium (Fr) 27 degree celsius
4508.

Why does no fixed place for hydrogen is mentioned in the Mendeleev periodic table

Answer» Hydrogen resembles like both the alkali metals and the halogens. Hence, it was placed in IA group VI B group and could not be given a fixed position in Mendeleev’s Periodic Table.\xa0It is so because hydrogen has 1 valence electron in its outermost shell.so according to modern periodic table, hydrogen can be arranged in halogen family i.e. group no. 17 but hydrogen does not possess the properties of halogen family. That\'s why hydrogen is given its position in the first group and first period of the modern periodic table.
4509.

What is convex lens and write 3 uses of it

Answer» Uses: for making magnifying glass , simple camera and used in spectacles to correct the defect of hypermetropia.
A convex lens is thick at the centre but thinner at the edges.
4510.

Explain 10%law of energy flow in food chain.

Answer» According to ten per cent law, only 10per cent of the energy entering a particular trophic level of organism is available for transfer to the next higher trophic level.
Suppose plant produce 1000j of energy by photosynthesis then the animal who will eat that plant will get only 10% i.e. 100 j of energy
4511.

Formula of pantane

Answer» C5H12
4512.

Hlo anjli queen

Answer»
4513.

Sahil aapko humse gussa ho kya

Answer»
4514.

Which gases called the noble gas?

Answer»
4515.

Justify your ans

Answer»
4516.

Name one chemical compound which can be used to distinguish between ethanol & ethanoic acid.

Answer»
4517.

Who was ancestor of kale?

Answer»
4518.

How to study sst

Answer»
4519.

Byee anjali good night

Answer»
4520.

What are the limitations of ohms law?

Answer» 1)ohms law is valid for metal conductor provided the temperature and other physical conditions remain constant.2)ohms law is not applicable to gaseous conductors.3)ohms law is not applicable to semi conductor such as germanium or silicon
4521.

Disha Happy birthday ????????

Answer»
4522.

Name the type of chemical substances that control growth in plants

Answer» Phytohormones
4523.

Construction of hydro power plant

Answer»
4524.

Up se koi hai?

Answer»
4525.

I know where is my zee

Answer»
4526.

What is ibf

Answer»
4527.

What is ivf

Answer»
4528.

why a human eye cannot focus on the object within 10cm

Answer» Bcz nearest point of Human eye is 25 cm
4529.

Amrita devi bishnoi national award for wild life . Information

Answer»
4530.

??\' morning gues!!!??

Answer»
4531.

About acid rain?

Answer»
4532.

Management of forest and wildlife resources is a very challenging task why

Answer»
4533.

How female get pregnant?

Answer» When the male sperms can be reach the female ovary this is called fertilisation and female also pregnant
4534.

Write the dot structure of mgo.

Answer»
4535.

What is difference between electric motor and an electric generator

Answer» Fleming right and left hand rule
4536.

Difference between elements, compound and mixture

Answer» Group of atom called element group of atom combine in fixed proportion called compound and while undefined proportion called mixture
4537.

Formula of inheritance

Answer»
4538.

What are mineral acid

Answer»
4539.

Other name of oxidation

Answer» Rusting
4540.

How do mendels experiment show that trait may be dominant or recessive?

Answer»
4541.

What role does the oestrogen hormone play during fertilization in humans?

Answer»
4542.

Can Any one give information about practical

Answer»
4543.

Why roasting take place in the presence of Access air

Answer»
4544.

Name the flower which contain both carpel and stamen

Answer» Hibiscus
4545.

C2H5OH is what

Answer» Ethanol
Ethanol
Ethyl alcohol or ethanol
4546.

Calculate the power used in the 2 resistor

Answer»
4547.

Reflective index

Answer»
4548.

May i know the weightage of science , maths and ssc for session of 2017-2018

Answer» Check it on CBSE official website.
4549.

What is one volt

Answer» The potential difference between the points is one volt
If 1J of work is done in taking 1C of charge from one point to another ,then Tha potential difference the points is one volt
4550.

working of detergent

Answer»