Which one of the following substances produces ammonia gas when heated with ammonium chloride solution? a. Sodium oxide
b. Sulphur dioxide
c. Hydrochloric acid
d. Sodium hydroxide

The rules of engagement (roe) working group is often used to (select all that apply.)

How many moles of al3+ ions are in 1.25 moles of al2o3

Need asap question 1 minerals are organic compounds. true false question 2 what vitamin can be found in foods like oranges, grapefruits, and broccoli? a. vitamin a b. vitamin k c.vitamin c d. vitamin d question 3 what are minerals? a. chemical elements that are needed for body processes. b. organic compounds that the body needs in small amounts to function properly. c. small molecules used to build proteins. d. an organic compound that is insoluble in water and includes fats. question 4 how many types of vitamins does the human body need? a. 15 b. 11 c. 13 d. 17 question 5 vitamins are a good source of energy. true false