Exercises in Chemistry: Systematically Arranged to Accompany McPherson and Henderson's Elementary Study of ChemistryGinn, 1906 - 138 σελίδες |
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Αποτελέσματα 1 - 5 από τα 11.
Σελίδα 2
... Inserting glass tubes in corks . The cork should be of such a size that the smaller end will just enter the flask or ... insert a glass tube select a borer slightly smaller than the tube . Place the cork on the desk and cut through it ...
... Inserting glass tubes in corks . The cork should be of such a size that the smaller end will just enter the flask or ... insert a glass tube select a borer slightly smaller than the tube . Place the cork on the desk and cut through it ...
Σελίδα 7
... insert a glowing splint from time to time into the mouth of the tube . Note the result . Continue to heat as long as any gas is evolved . What remains in the tube ? How has the heat affected the mercuric oxide ? F I. PREPARATION OF ...
... insert a glowing splint from time to time into the mouth of the tube . Note the result . Continue to heat as long as any gas is evolved . What remains in the tube ? How has the heat affected the mercuric oxide ? F I. PREPARATION OF ...
Σελίδα 8
... insert the cork ( Fig . 14 ) ; then , holding the burner in the hand , heat the mixture gently with a small flame , apply- ing the heat at first to the upper part of the mixture . The flame must not strike the upper part of the test ...
... insert the cork ( Fig . 14 ) ; then , holding the burner in the hand , heat the mixture gently with a small flame , apply- ing the heat at first to the upper part of the mixture . The flame must not strike the upper part of the test ...
Σελίδα 10
... insert the sodium . Stand at arm's length , as a slight explosion some- times occurs . Notice that the sodium decomposes the water , liberating a gas which is caught in the tube . Test the gas so obtained by quickly inserting a burning ...
... insert the sodium . Stand at arm's length , as a slight explosion some- times occurs . Notice that the sodium decomposes the water , liberating a gas which is caught in the tube . Test the gas so obtained by quickly inserting a burning ...
Σελίδα 24
... insert the glass rod in the cork . The air inclosed in the tube is now at the same temperature and pressure as the sur- rounding air . Now open the screw clamp . The liquid flows in , absorbing the oxygen . When the liquid ceases to ...
... insert the glass rod in the cork . The air inclosed in the tube is now at the same temperature and pressure as the sur- rounding air . Now open the screw clamp . The liquid flows in , absorbing the oxygen . When the liquid ceases to ...
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according to Fig ammonium hydroxide antimony apparatus according apply a gentle barium chloride beaker boiling bromine Bunsen flame burner burning splint calcium charcoal common salt compounds cool copper sulphate cork crystals cubic centimeters delivery tube deposited Describe the results diameter dilute solution displacement of air Dissolve distilled evaporating dish Exercise filtrate flask formed funnel tube gentle heat glass plate glass rod glass tube hard-glass tube heat gently hood hydrochloric acid hydrogen ignite insert limewater liquid litmus paper little water manganese dioxide mixture mouth nitrate nitric acid Note the color Note the result odor oxide oxygen phosphorus Place porcelain crucible potassium potassium chlorate powdered precipitate PREPARATION AND PROPERTIES reactions involved red litmus paper Repeat the experiment residue retort rubber tubing small piece sodium carbonate sodium hydroxide sodium nitrate solution of sodium stopper sulphuric acid temperature test tube three drops Usual laboratory method volume wide-mouthed bottle wire Write the equations zinc