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All of the following are examples of carbohydrates except

Iron undergoes oxidation to form iron rust. The flaking rust exposes fresh iron surface to the environment, allowing the rusting process to continue. What is the coefficient of Fe2O3 after balancing the following chemical equation? Fe (s) + O2 (g) → Fe2O3 (s)

In 1827, a Scottish botanist Robert Brown (1773 – 1858) observed the jittery motion of pollen grains in water. Einstein (1879 – 1959) developed a theory that qualitatively explained it. In 1908, French physicist Jean Perrin (1870 – 1942) confirmed the Einstein’s model, providing evidence for the real existence of molecules. This proves the following 

Which of the following is not a result of Rutherford’s nuclear theory of an atom?

Alkali metals react violently with water to form dissolved alkali metal ion, the hydroxide ion, and hydrogen gas. Which among the following alkali metals is more explosive?

A compound has the empirical formula CH2O and a formula mass of 120.10 amu. What is the molecular formula of the compound? [Given the atomic masses: C (12.01 amu), H (1.008 amu), O (16.00 amu)]

Perform the calculation to the correct number of significant figures (8.01 – 7.50)/3.002

Name of the compound N2O5 is [Given prefixes: 1(mono), 2 (di), 3 (tri), 4 (tetra), and 5 (penta)]

Which of the following about the properties of matter is FALSE?

The gas mileage of a car is 22 km/L. Convert the mileage to miles per gallon. (Given: 1 km = 0.6214 mi; 1 gal = 3.785 L)