Physical Science for ProgressPrentice-Hall, 1970 - 626 σελίδες |
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Σελίδα 141
... Result ? Hold a glass jar up- Iside down over the flame . What forms on the inside of the jar ? Water Henry ... Result ? Uncover an upright bottle . Wait for a minute or two . Put a burning splint in the bottle . Result ? Pour the gas ...
... Result ? Hold a glass jar up- Iside down over the flame . What forms on the inside of the jar ? Water Henry ... Result ? Uncover an upright bottle . Wait for a minute or two . Put a burning splint in the bottle . Result ? Pour the gas ...
Σελίδα 159
... Result ? Add a few crystals of salt to the water . Result ? Repeat the experiment but add sulfuric acid to the water in place of salt . Result ? Add some sugar to distilled water . Does the sugar solution conduct the current ? Try it ...
... Result ? Add a few crystals of salt to the water . Result ? Repeat the experiment but add sulfuric acid to the water in place of salt . Result ? Add some sugar to distilled water . Does the sugar solution conduct the current ? Try it ...
Σελίδα 162
... Result ? See Figure 4-44 . Hydro- chloric Sulfuric acid Acetic acid acid Hydrogen Hydrogen Zinc FIGURE 4-44 We have three tests for acids so far . ( 1 ) Acids turn blue litmus red . ( 2 ) Acids taste sour . ( 3 ) Acids react with zinc ...
... Result ? See Figure 4-44 . Hydro- chloric Sulfuric acid Acetic acid acid Hydrogen Hydrogen Zinc FIGURE 4-44 We have three tests for acids so far . ( 1 ) Acids turn blue litmus red . ( 2 ) Acids taste sour . ( 3 ) Acids react with zinc ...
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distributors of the John Frankenheimer film Grand Prix A General Electric Company 337 bottom rightGeneral Electric | 92 |
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acid acting ACTIVITY added amount atoms beam become body called carbon causes cell charges chemical chemical change circuit color combining compounds connected contains copper determined direction distance earth effort electrical electrical charges electrons elements energy engine equal experiment explain facts feet FIGURE flow force fuel gain gives glass grams happens heat hour hydrogen inch increases ions iron kinds lamp laser layer length light liquid magnet mass materials matter means measure metal miles mirror molecules moon motion move nature needed object oxygen particles piece plane plate pole position pounds pressure produced push rays reflected resistance Result rock scientists shell side sodium solution sound space speed spring stars Study surface temperature Terms theory travels tube turns units waves weight wire