NEET Chemistry Questions: Some Basic Concepts in Chemistry

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The mass of one molecule of compound C60 H122 is:





Mass of one molecule of C60 H122=12×60+122 amu                                                            = 842 amu                                                            = 842×1.66×10-24 g                                                            = 1.4×10-21 g

Read the following statements (S) and Explanation (E). Choose the correct answers from the codes





Explanation is correct reason for statement.

Read the following statements (S) and Explanation (E). Choose the correct answers from the codes





ans 3,

 

Certain elements combine with other atoms, donating, accepting or sharing electrons in different proportions depending on the nature of the reaction.