Question
Identify the most abundant metal in the earth's crust.
Solution
Aluminium, though often bonded with other elements in forms like alumina, is the most abundant metal in the Earth's crust.
Which of the following compounds form nitrites with nitrous acid?
An ice block with a piece of lead embedded in it floats in water. If ice melts the water level –
Kindly Study the following questions carefully and choose the right answer.
In plants, the carbohydrates which are not used immediately are sto...
The frequency range of human hearing is approximately:
Which part of the body is affected by tuberculosis (TB)?
What is the minimum distance one has to stand at from a wall to hear an echo?
The acceleration due to gravity on the surface of the Earth is approximately:
Which organ controls reflex actions?
Necessary element of change in solar energy to electric energy –
`Short-sight' in human eye can be corrected by using proper –
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