Home / Unit-18 Qualitative Anaylsis / Question
MCQ
Which is the correct laboratory safety practice?
Unit-18 Qualitative Anaylsis
A taste the chemical to identify it
B waft gases gently toward the nose
C point the test tube toward a classmate
D use chipped glassware
Explanation

Wafting is safe; tasting and careless handling are unsafe.

Related MCQs

Silver chloride precipitate slowly darkens in sunlight because:
Unit-18 Qualitative Anaylsis View
The pale yellow precipitate obtained with AgNO3 and potassium iodide is:
Unit-18 Qualitative Anaylsis View
A mixture of two metal salts burns with a yellow flame. Which ion is most likely masking the other's color?
Unit-18 Qualitative Anaylsis View
Iron(III) hydroxide precipitate is of which color?
Unit-18 Qualitative Anaylsis View
Flame tests show characteristic colors because heated metal ions:
Unit-18 Qualitative Anaylsis View
Sulfite can be distinguished from sulfate because sulfite:
Unit-18 Qualitative Anaylsis View