According to Newlands' law of Octaves, how many elements exist in nature?
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Which of the following statements is incorrect, if resources were unlimited?
A man lifts a luggage of 25 kg from the ground and puts it on the head, 2.5 m above the ground. If the value of g = 10 m/s2, then the value of work done by him on the luggage is
Which of the following is a correct pair according to increasing atomic number from left to right?
Human Rights Day is observed on
Who among the following claimed the top spot on Forbes 2017 list of the world's highest paid actresses, released on August 16, 2017?
Which of the following gases makes bread or cake rise making them soft and spongy?
Which of the following type of medicine is used to treat indigestion?