Questions

Working in columns, the sum of the numbers in each column is always 14

The water rise in a capillary tube dipped in water is such that the weight of water in the tube above the surface of water in the vessel is equal to  the upward force due to surface tension. So it is clear that if the bore to the tube is decreased , the height of the water column in it  must be greater.

Aerobic respiration is the reaction takes place in presence of oxygen which quite opposite to anerobic. The direct result of aerobic repiration is ATP molecules from breakdown of glucose molecules.

The organ which filters blood in human body are kidneys.

Charles Macintosh (29 December 1766 – 25 July 1843) was a Scottish chemist and inventor of waterproof fabrics.He devoted all his spare time to science, particularly chemistry, and before he was twenty resigned his clerkship to take up the manufacture of chemicals. In this he was highly successful, inventing various new processes. His experiments with one of the by-products of tar, naphtha, led to his invention of waterproof fabrics.

Neon is the element that is used in bright flashing advertising signs as Neon particulary gives bright color.