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CBSE->Std 10 Questions

Total Questions 2595
What is dissociating?
How does a magnet placed in the vicinity of a conductor experience force?
What is Fleming,s Right hand rule?How do we apply it in an electric motor?
what is diffusion
a)please explain a reason why fresh air cannot be regarded as pure substance? b)Electrolysis of water is a chemical change?
smoke and fog are aerosols.In what way are they different?
sodium chloride contains two elements, but it is still a pure substance.please assign reasons.
What is Higs-bozon?
wHAT IS HIGS-BOZON?
What type of a noun is 'ice-cream' - countable or uncountable? Which determiner can be used with it ?
Sir, please give me some questions related to velocity.
1)WHAT ARE THE ADVANTAGES OF CONNECTING ELECTRICAL DEVICES IN PARALLEL WITH THE BATTERY INSTEAD OF CONNECTING THEM IN SERIES? 2)WHY DOES THE CORD OF AN ELECTRIC HEATER NOT GLOW WHILE THE HEATING ELEMENT DOES? 3)WHAT DETERMINES THE RATE AT WHICH ENERGY IS DELIVERED BY A CURRENT?
when did industrial revolution take place?
A man was driving his car suddenly, he saw a cat infront of his car he apply the break which produced an acceleration of 6m/s in a direction opposite to that of motion still his car took 2second to stop can you tell how much distance the car travelled during this time
WHEN IS WORLD WATER DAY
what is the name of Albert Einstein's dad?
Name the polygon with tree side.
IF THE BISECTORS OF ANGLE ABC AND ANGLES ACB OF A TRIANGLE MEET AT A POINT 'O' THEN PROVE THAT ANGLE BOC=90 DEGREE+HALF ANGLE A.
Sides of a triangle are in the ratio 13:14:15 and its perimeter is 84.Find its area.
Difference between filament and fuse wire.