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Total Questions 9982
compare and contrast the arrangements of elements in Mendeleev's periodic table and Moseley's periodic table
While going across a period , what changes happento elements? [points]
PERIODIC TABLE DEVELOPED BY Newland .explain with points its limitations ,drawbacks and acheivements. {chap periodic classification of elements ]
Explain MENDELEEV'S PERIODIC TABLE ANDITS DRAWBACKS,LIMITATIONS AND ACHEIVEMENTS .
explain periodic table of DOBEREINER WHAT WAS ITS LIMITATIONS AND ACHEIVEMENTS?
what is the difference between absolute refractive index and refractive index
Write an article in about 120 words on ‘The role of rag-pickers in saving the urban environment’.
A brief note about ozone formation and how it is helpful for the living organisms
what is covalent bond? did all elements form covalent bond.? explain with carbon compounds.
THE STORY OF MY LIFE By Helen Keller . i want its summary
what is REFRACTIVE INDEX ? DEFINE
How does the sea or ocean water gets salt in it?
How periscope works?
movies that we see are separate pictures but we see a moving picture. how?
WHAT IS MEANT BY RECHARGE PIT?
10+(-9)=
if 'a' is the first term of an AP , 'd' is the common difference and 'Sn' is the sum , find Sn-2Sn_1-Sn_2
Explain the features of go east movement ?
What do you know about Alluri Sitarama Raju
how electricity produced by wind