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- Multiple ChoicePlease save your changes before editing any questions.
The chemical compound of water isHOH2OH3OHO2 - Multiple ChoicePlease save your changes before editing any questions.Water is a universal solventTrueFalse
- Multiple ChoicePlease save your changes before editing any questions.Pure water has aNeutral pHNegative pHPositive pHBoth Negative and Positive pH
- Multiple ChoicePlease save your changes before editing any questions.A Compound that is being dissolved is called aSolutionSoluteSolventSuspension
- Multiple ChoicePlease save your changes before editing any questions.A solvent is...substance into which the solute dissolvesa compound being dissolveda substance that does not dissolveNone of the above
- Multiple ChoicePlease save your changes before editing any questions.What is water made of?WaterLiquidHydrogen and oxygenBlue
- Multiple ChoicePlease save your changes before editing any questions.What is an example of something that dissolves in waterYourselfSugarA rockA boat
- Multiple ChoicePlease save your changes before editing any questions.A water strider can skate along the top of a pond because:covalent bonds result in water cohesionhydrogen bonds result in water cohesion (surface tension)water striders have adapted to take advantage of water cohesionlow surface tension of water
- Multiple ChoicePlease save your changes before editing any questions.Why can water have no net charge but have slight charges in different parts of the molecule?The oxygen end is slightly negative and the hydrogen end is slightly positiveThe hydrogen end is slightly negative and the oxygen end is slightly positiveThe hydrogen and oxygen ends change in polarityBecause it is hydrophobic
- Multiple ChoicePlease save your changes before editing any questions.Attractions between water molecules are calledCovalent bondsIonic bondsPolar bondsHydrogen bonds
- Multiple ChoicePlease save your changes before editing any questions.Which end of the water molecule has a slightly positive charge?the oxygen endthe hydrogen endboth ends are slightly positiveneither end is positive
- Multiple ChoicePlease save your changes before editing any questions.Water is a universal solvent because it...It can be found anywhereIt freezes when it gets coldfloats when frozenDissolves most substances
- Multiple ChoicePlease save your changes before editing any questions.Which of the following is LEAST likely to dissolve in water?nonpolar fats and oilspolar sugar moleculessalt made of a positive sodium ion and a negative chloride ionall of the substances will dissolve easily in water
- Multiple ChoicePlease save your changes before editing any questions.Which types of compounds dissolve easily in water?Polar and NonpolarPolar and IonicNonpolar and IonicCovalent and Nonpolar
- Multiple ChoicePlease save your changes before editing any questions.Fish need oxygen from which molecule?O2The O in H2OThe oxygen from a tankNone of the above
- Multiple ChoicePlease save your changes before editing any questions.Which of these would LEAST affect turbidity?AlgaeFish fecesSaltGasoline
- Multiple ChoicePlease save your changes before editing any questions.Acids have more what?OH ionsOH- ionsH+ ionsAll of the above
- Multiple ChoicePlease save your changes before editing any questions.Phosphates are important to life but can also cause what deadly phenomenon to occur?More oxygen availabilityMore sunlight availabilityFish thrivingEutrophication
- Multiple ChoicePlease save your changes before editing any questions.Which type of water makes soaps not work?HardSoft
- Multiple ChoicePlease save your changes before editing any questions.What do chemists add to soap to allow it to work in hard water?nitrogenphosphatesArtificial scentsartificial colors