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QUESTION 1 Ammonium chloride has the ability to change directly from the solid to the gas state without using the heat. True False QUESTION 2 Sand has the ability to: Dissolves in water Sublimate when heated Evaporate when heated None of the above QUESTIONS The sentence that is not applicable to a homogeneous misture is Examples include the air, salt solutions, cake mixture You can pick out the components of the mature easily The composition of the mixture is the same throughout The components that make up the mixture are uniformly distributed throughout the mixture QUESTION 4 A mixture has a total mass of 10 g. Aber sublimation of one of the substances, the mixture lost 2.2 g of its weight. What was the percentage of this substance in the mixture? 78% 0.22% 22% 18.3%
QUESTIONS The chemical NH4Cl has the ability to: Melt when heated Evaporate when heated Dissolves in water Sublimate when heated QUESTION 6 A mixture contains 15.68 g of salt and 38.61 g of sand. What is the percentage of salt? 28.88% O 0.4061% 0.2888 % 40.61% QUESTION 7 Solid Sodium Chloride is usually separated out of a mixture by Dissolving it in water Using two techniques named solubility and decantation Adding water to the mixture and then heating the mixture Adding water, stirring, adding water and stirring again QUESTIONS Which technique do you use to dry out the wet sand? Filtration Decantation Using heat for sublimation
Using two techniques named solubility and decantation Adding water to the mature and then heating the mixture Adding water, stirring, adding water and stirring again QUESTIONS Which technique do you use to dry out the wet sand? Filtration Decantation Using heat for sublimation Using heat for evaporation QUESTION A heterogeneous mixture..... O is defined as a mixture where the components of the mixture are not uniform includes an example such as cereal in mik consists of components that can be easily separated from one other all of the above are correct about heterogeneous mixtures QUESTION 10 When heating a mixture of salt, and ammonium chloride, which substance will be affected? All of them Sand and salt only Sand only Ammonium chloride only Click Save and Submit to save and submit. Click Save All Answers to save all ansuers.