If it is possible to make a number which is a perfect square of a two digit even number with the second, fifth and sixth digits of the number 46789153, which of the following will be first digit of that three digit number?

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#Question id: 58

#Unit 1. Molecules and their Interaction Relevant to Biology

A covalent chemical bond is one in which ________.

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#Question id: 60

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is true for the reaction?

3H₂ + N₂   2NH₃

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#Question id: 61

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following correctly describes chemical equilibrium?

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#Question id: 62

#Unit 1. Molecules and their Interaction Relevant to Biology

We can represent atoms by listing the number of protons, neutrons, and electrons—for example, 2p+, 2n0, 2e- for helium. Which of the following represents the 18O isotope of oxygen?

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#Question id: 65

#Unit 1. Molecules and their Interaction Relevant to Biology

Identify which of the following pair is enantiomers, diastereomers or meso compounds.

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#Question id: 783

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the statements below is FALSE?