science resource

  The following is Newlands’ Octave table. Observe it and answer the following questions:   a) Which of the elements in the 1 st column have properties that are different from the rest of the elements? b) Which of the elements resemble with each other in the second column? c) Pick up elements which have similar properties in the last column.

Assertion: Human heart does not allow the mixing of oxygen-rich blood with carbon dioxide-rich blood.Reason: Human heart has different chambers. Choose the most appropriate option giving reason. Both Assertion and Reason are true, and Reason is the correct explanation of Assertion Both Assertion and Reason are true but Reason is not the correct explanation of Assertion Both Assertion and Reason are false Both Assertion and Reason are True.