Aluminum is above iron in the electrochemical series, yet iron corrodes easily on exposure to air while aluminium does not. This is because aluminium

A sample of orange juice is suspected to have been contaminated with a yellow dye. Which of the following methods can be used to detect the dye?

Which of the following compounds will undergo additional reactions?

The electronic configuration 1s2 22s 22p 63s23p 6 is that of a

Which of the following reaction will not take place under normal conditions?

When a solid melts and consequently boils, there is

The heat accompanying the reaction represented by the equation H2O (l) → H 2O(g) is described as the heat of

Which of the following reactions does not occur in the blast furnace during the extraction of iron?

Catalytic hydrogenation of oils results in the production of