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CBSE Questions

Total Questions 9982
Defferentiate between Metals and Non-Metals?
what is sericulture
WHAT IS SURFACE TENSION,VICOSITY,VAPOUR PRESSURE?
please give trignometric identities?
what is friction? types of friction?
WHAT IS THE CAPITAL OF AUSTRALIA
What do you mean by the word 'nutrition'?
how do the marine invertebrates and fishes live at great depth in oceans where the pressure could be >100 times the normal atmospheric pressure and do they have any special enzymes?
prove that sin(n+1)x.sin(x+2)+cos(n+1)x.cos(n+2)x=cosx
Find the range of f(x)=(x-3)/(3-x)
Who is the military leader which attacked Ghana it got freedom from british
Why do we have hiccups?
What are thermoplastics and thermosetting???
what determines the rate at which energy is delivered by a current?
why does the cord of an electric heater not glow while the heating element does?
what is the highest , the lowest total resistance that can be secured by combinations of four coils of resistance 4ohm, 8ohm, 12ohm, 24ohm?
how can three resistors of resistances 2ohm,3ohm and 6ohm be connected to give a total resistance of (A)4ohm (b)1ohm
an electric lamp of 100ohm, a toaster of resistance 50ohm, and a water filter of resistance 500ohm are connected in parallel to a 220 volt source. what is the resistance of an electric iron connected to the same source that takes a much current as all the three appliances, and what is the current through it?
judge the equivalent resistance when the following are connected in parallel (A)1ohm and 1000000ohm (B)1ohm and 1000ohm ,and 1000000ohm
define phenotypic adaptation with example?