According to Newlands' law of Octaves, how many elements exist in nature?
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If a solution turns blue litmus red, its pH is likely to be
The minimum price at which I was willing to sell my old TV was Rs 37,000. I quoted Rs 50,000 while selling it, but it sold for Rs 42,000. This transaction generated _____.
Which of the following products can be obtained from coal processing?
The SI unit of electric charge is
___ is not related to gases.
Who won majority of the men's singles tennis grand slam tournaments in 2015?
The length and breadth of a rectangle are 15 cm and 8 cm respectively. Find its area (in cm2)