Which enzyme in saliva breaks down starch?
The storage battery of a car has an emf of 15 V. If the internal resistance of the battery is 0.5 Ξ©, what is the maximum current that can be drawn from...
The density of the liquid when heated
Escape velocity is the minimum speed needed for an object to escape from the gravitational influence of a massive body. The escape velocity from Earth i...
When a bottle of scent is kept open in a corner of a room its odour is felt in all parts of the room. This is clue to the phenomenon of β
Which of the following is the active component of the air?
A rod of length 2 m expands by 2 mm when heated. If coefficient of linear expansion is 1 x 10-5 / 0C, find temperature change.
What happens when dilute hydrochloric acid is added to iron fillings ?
Which of the following is true about isotopes?
Which of the following two chemical reactions are involved in the corrosion of the iron metal?
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