Which of the following metals cannot be easily cut with a knife?
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Harmful bacteria in potable water make the water
Which of the following is the largest part of the human brain?
Which feature of a plant helps to distinguish a monocot from a dicot?
Demand is said to be elastic when the
Atomic mass of Nitrogen is 14 and that of Hydrogen is 1. What will be the molecular mass of Ammonia?
Which of the following rivers flows from south to north?
Which of the following plants have root nodules?