is air a mixture or compound? give 3 reasons.
what is pasturage? and how is it related to honey production?
what are the constituents of phloem ?
A gardener waters the plants by a pipe of diameter 1 mm. The water comes out from the pipe atthe rate of 10 cm3/sec. The reactionary force exerted on the hand of the gardener is?
When 3.2 g of Sulphur is vaporized at 450oC and 723 mm pressure, the vapors occupy a volume of 780 ml. What is the molecular formula of sulphur vapours under these conditions? Calculate the vapor density also.
management practices are common in dairy and poultry farming?
DIFFERENTIATE BETWEEN SCALAR AND VECTOR QUANTITIES .
why does the temp. remains constant during the melting of ice even thoug heat is supplied contiously?
what is the difference between sodium ion and sodium atom ?
the kE acquired by a mass m in travelling a certain distance s ,starting from rest ,under the action of a constant force is directly proportional to:
d)none of these
if momentum of a body increases by 20 percent, then percentage increase in its kinetic energy is...
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