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Kerala (English Medium)->Plus 2 Biology Science Questions

Total Questions 664
What is no bond resonance?
Significance of hydrogen-oxygen fuel cell?
Why H2O2 is stored in wax lined glass bottles?
What is the area & perimeter of one acre?
Which is more stable-PbCl3 $PbCl2 ?
Why propene is more stable than ethane?
Why Boric acid is used as caroms powder?
What is COD $ BOD ?
NaCl is a badconductor of electricity in the solid state. Why?
EXPLAIN HOW A CAT IS ABLE TO LAND ON ITS FEET WHEN THROWN INTO THE AIR ?
THE MASS OF A FLYWHEEL IS CONCENTRATED AT THE RIM. WHY?
IF THE ICE CAP ON THE POLAR CAPS OF THE EARTH MELTS, HOW WILL IT AFFECT THE DURATION OF THE DAY? EXPLAIN?
WHEELS ARE MADE CIRCULAR. WHY ?
WHY IT IS EASIER TO PULL A LAWN ROLLER THAN TO PUSH ?
WHY A HEAVY GUN NOT RECOIL SO STRONGLY AS ALIGHT GUN FIRING THE SAME BULLET ?
CAN A SAIL BOAT BE PROPELLED, BY AIR BLOWN AT THE SAILS FROM A FAN ATTACHED TO THE BOAT ?
FROM A FLYING AEROPLANE, A BODY SHOULD BE DROPPED IN ADVANCE TO HIT A TARGET. WHY ?
A rocket move forward by pushing the air back. Is it true or false ?
CAN A BODY HAVE A CONSTANT SPEED BUT VARYING VELOCITY ?
CAN A BODY HAVE A CONSTANT VELOCITY BUT VARYING SPEED ?