Arrange 4 types of coal in increasing order of Carbon content and Hardness : .Lignite-20% , peat-80% , Bituminous, 40% , Anthracite-10% .Peat-20% , Lignite-20-40%, Bituminous-80%, Anthracite-90% .Anthracite-80%, Lignite-10% , Bituminous-20% , Peat-90% .Lignite-20% , peat-40% , Bituminous, 80% , Anthracite-10%

Ihat will happen if i added baking soda to vinegar

Achemist wants to extract copper metal from copper chloride solution. the chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (ii) chloride. a single replacement reaction takes place. (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction? a) approximately 0.36 grams, because copper (ii) chloride acts as a limiting reactant b) approximately 1.8 grams, because copper (ii) chloride acts as a limiting reactant c) approximately 0.36 grams, because aluminum acts as a limiting reactant d) approximately 1.8 grams, because aluminum acts as a limiting reactant

Which of the following units is not an official si unit? mole liter kilogram ampere