Exercises in Chemistry: Systematically Arranged to Accompany McPherson and Henderson's Elementary Study of ChemistryGinn, 1906 - 138 σελίδες |
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Σελίδα
... tube , straight , 15 cm . in length Clamp , iron burette .10 .25 Clamp , screw Clay pipe .10 .01 Deflagrating spoon ... Test tube rack . viii Rubber tubing , 1 piece , 60 cm . in length for connections , etc. , Test tubes , 12 , 12 cm ...
... tube , straight , 15 cm . in length Clamp , iron burette .10 .25 Clamp , screw Clay pipe .10 .01 Deflagrating spoon ... Test tube rack . viii Rubber tubing , 1 piece , 60 cm . in length for connections , etc. , Test tubes , 12 , 12 cm ...
Σελίδα 2
... tube uniformly , otherwise the bore of the tube will be contracted ( Fig . 3 , A , B ) , forming a bend which is not only unsightly but is easily broken . 3. Inserting ... test tubes . Physical and Chemical Changes Elements, Chemical Com-
... tube uniformly , otherwise the bore of the tube will be contracted ( Fig . 3 , A , B ) , forming a bend which is not only unsightly but is easily broken . 3. Inserting ... test tubes . Physical and Chemical Changes Elements, Chemical Com-
Σελίδα 3
... test tube be- tween the thumb and fingers ( Fig . 6 ) , constantly rotating it so as to apply the heat uniformly ... tube above the level of the FIG . 6 FIG . 7 FIG . 8 liquid . In case the upper part of the tube becomes heated , it may ...
... test tube be- tween the thumb and fingers ( Fig . 6 ) , constantly rotating it so as to apply the heat uniformly ... tube above the level of the FIG . 6 FIG . 7 FIG . 8 liquid . In case the upper part of the tube becomes heated , it may ...
Σελίδα 6
... test tube and heat gently . As soon as the mass begins to glow , quickly withdraw the tube from the flame . Does the glow continue ? Heat the tube strongly for a few minutes ; then cool and break it , and examine with a magnifying glass ...
... test tube and heat gently . As soon as the mass begins to glow , quickly withdraw the tube from the flame . Does the glow continue ? Heat the tube strongly for a few minutes ; then cool and break it , and examine with a magnifying glass ...
Σελίδα 7
... test tube place about g . of mercuric oxide . This is done by placing the oxide near the end of a narrow strip of folded paper and introducing it carefully into the tube , as shown in Fig . 13. On inclin- ing the tube and gently tapping ...
... test tube place about g . of mercuric oxide . This is done by placing the oxide near the end of a narrow strip of folded paper and introducing it carefully into the tube , as shown in Fig . 13. On inclin- ing the tube and gently tapping ...
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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