CHEMISTRY EXAM WITH
GUARANTEED ACCURATE
ANSWERS
A large excess of oxygen - ACCURATE ANSWERS✔✔ The upper
oxiding zone of a nonluminous Bunsen flame consists largely of
Hottest portion of the flame - ACCURATE ANSWERS✔✔ Less volatile
substances may be detected in ________
Blue - ACCURATE ANSWERS✔✔ Sb imparts ____ color to the
nonluminous Bunsen flame
Green - ACCURATE ANSWERS✔✔ Tl imparts _____ color to the
nonluminous Bunsen flame
100 - ACCURATE ANSWERS✔✔ In the micro scale of qualitative
analysis, the quantity of a substance employed is reduced by a factor of
Amalgams - ACCURATE ANSWERS✔✔ A metallic deposit obtained
after sublimation may indicate the presence of _______
Violet - ACCURATE ANSWERS✔✔ A mixture of potassium and
sodium chloride will produce ______ color in the flame test
, Na(NH4)HPO4.4H2O - ACCURATE ANSWERS✔✔ In the
microcosmic salt bead test, the microcosmic salt __________ is used
Orange red - ACCURATE ANSWERS✔✔ The color of borax bead
produced by cerium salts in the oxidizing flame when hot is ________.
1 cm - ACCURATE ANSWERS✔✔ The upper edge of a filter paper
used during filtration should be about _______ cm from the upper rim of
the funnel
Ammonium Nitrate (NH4NO3) - ACCURATE ANSWERS✔✔ When a
precipitate tends to pass through the filter paper, this salt may be added
to prevent the formation of colloidal solutions.
Chromosulphuric acid - ACCURATE ANSWERS✔✔ Glass apparatus
which are particularly greasy may be cleaned with _________
black precipitate - ACCURATE ANSWERS✔✔ The reaction between
lead nitrate and hydrogen sulfide will yield lead sulfide (__)
Mercury (II) Chloride (HgCl2) - ACCURATE ANSWERS✔✔ This
compound is formed when mercury (I) chloride dissolves in aqua regia
White precipitate - ACCURATE ANSWERS✔✔ Basic mercury (II)
amidonitrate exists as