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1) The solution which can hold no more solute is called a. dilute solution b. saturated solution c. aqueous solution d. concentrated solution
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2) A common and universal solvent is a. air b. water c. oxygen d. nitrogen
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3) In hydroponics, roots of a plant are immersed in solution of dissolved a. mineral salts b. fertilizers c. chemicals d. oxygen
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4) Acid rain is a. corrosive b. damage living things c. damage buildings d. all of above
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5) Alkaline has ph value above a. 10 b. 14 c. 4 d. 7
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6) Acidic solutions are very good conductors of a. electricity b. gases c. heat d. solute
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7) Dilute acids form hydrogen gas when they react with a. reactive carbonates b. reactive metals c. oxides d. amino acids
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8) The solubility of a solid solute will increase with the increase of a. mass b. volume c. temperature d. pressure
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9) In dry form copper sulphate crystals and sodium hydroxide pellets a. do no react b. react vigorously c. react slowly d. dissolve completely
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10) The liquid in which any salt gets dissolved is called a a. solute b. solvent c. mixture d. product
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