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6151.

name of compound CH--CH

Answer» If ethyne then compound would be CH(3bond) CH
Etheye
No compound as triple bond would have formed btween them
Ethyene
6152.

Tushar is here

Answer»
6153.

Himanshu ji jab apko koi hurt krega na tab apko pta chalega meri feelings ka

Answer»
6154.

La

Answer» R
6155.

Why control and coordination is necessary for organisms???

Answer» Got it tarushi
Our body has complex structure which performs various life process for survival and to give response to stimuli, control and coordination process is necessary in organisms.
6156.

Samrudhi.... Gud bye

Answer»
6157.

Samrudhi..

Answer»
6158.

Give the function of ovary in human female reproductive system

Answer» Making of eggs and secrete female *** hormones
Fertilization and development of baby
It produces egg everymonth
6159.

Hlw any friend... ?

Answer»
6160.

Why small nucleous(carbon) of atom hold the other atom tightly?

Answer» Because of it\'s stronger molecular forces
6161.

Who wants to be my friend on Facebook

Answer»
6162.

Why do you think the Nobel gases are placed in a separate group????

Answer» Because they are least reactive than other elements
Bcoz they are stable they don\'t take react with any element
Because they react least
6163.

In the modern periodic table,which are the metals among First ten elements???

Answer» No
6164.

Galvanising

Answer» Coating of zinc in metal to prevent it from rusting
Protecting layer of zinc
Layering of zinc
6165.

During refraction by prism does the ray of light bends towards the base of that prism

Answer» Yes it bends towards normal
The ray bend towards normal
6166.

Guys jo jo whatsapp use krte h whatsaap number do yha kyu fse hue ho...

Answer» Ohhhh aisa kya
Me
6167.

What are the isomers of heptane?With structures

Answer»
6168.

In board exam checking hard or easy???

Answer»
6169.

What are the major factors responsible for population explosion ?

Answer» Less literacy rate ,poverty,unemployment etc
6170.

What happens at the synapse between two neuron

Answer»
6171.

Who is atom which flows on surface of water

Answer»
6172.

What is magnetism?? Please tell

Answer» Magnetic field
6173.

Question from science

Answer»
6174.

What is cutaneous respiration?????

Answer»
6175.

Why do plants need nitrogen.

Answer» Plants need nitiogen to make proteins and vitamins
6176.

What you understand by water table is ground water fit for consumption

Answer»
6177.

Energy can neither be created not destroy so why we are in hurry

Answer»
6178.

What is estrification

Answer» Formation of a sweet smelling substance,ester,when alchohol reacts with a carboxilic acid
Formation of ester by reaction of ethanol and ethanoic acid
6179.

Element Mass 35, neutron 18 , period = ?

Answer» Period=3
6180.

Halogen and traid ?

Answer» Triads are group of three elements that have same properties while halogen is a group of chlorine, bromine and iodine it is also a triad
6181.

Why planets do not shine

Answer» They do not emit their own light
Who said that planets don\'t shine , Venus is known as morning star it reflects light of sun
Because they don\'t have own light
6182.

Difference between nervous system and endocrine system

Answer» Nervous system consists of brain and spinal cord but endocrine system consists endocrine glands and harmones
6183.

We know that stars twinkle so Q is "why sun not twinkle "

Answer»
6184.

Importance of pH in our daily life?

Answer» See in book its given there
6185.

Humans are top level consumer or tiger is top level consumer?

Answer»
6186.

Lemon juice is added to potassium permanganet solution

Answer»
6187.

Which two effect produce by the scattering of light by the atmosphere?

Answer» 1. Sky appears blue during day and 2. Sky appears red during morning and evening
6188.

Is soap prepared by both cold and hot Processes?

Answer»
6189.

previous years question paper

Answer»
6190.

how do fish respire say it in detail pls

Answer»
6191.

What is anta acid?

Answer» Anta acid is a substance which decrease the power of acid, it is usally alkaline mediam
An antacid is a substance which neutralizes stomach acidity, used to relieve heartburn, indigestion or an upset stomach.[1]
6192.

What is used for white washing?

Answer» Calcium hydroxide
6193.

What are two anti oxidant kept in food containing fat and iol?

Answer» Butilated Hydroxyanisole and Butilated Hydroxytoulene
Tn q dude
BHA and BHT
Nitrogen
6194.

What happen to power when voltage gets doubled?

Answer» Its resistance get half
6195.

Out of Na and K which will be have stronger metallic character and why

Answer» K will have more metallic character because as you go down along a period metallic character increases
6196.

Name the gas collected at anode and cathode

Answer» Oxygen in anode and hydrogen in cathode
6197.

What is atomicity

Answer» No of atom it contains ...as like hydrogen has 2 atommat free state and oxygen also
6198.

What will happen if a device is operated at Higher potential than its power rating

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6199.

Dhoop me baithne see paseena kyun aata hai

Answer»
6200.

Iso-electronic species

Answer»