SAT Chemistry MCQs - Chapter 8

Laboratory Multiple Choice Questions (MCQs) PDF Download - 29

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The Multiple Choice Question (MCQ Quiz): Tube dipping in water in wash bottle has an angle of; "Laboratory" App Download (Free) with answers ‘140°C’, ‘135 °C’, ‘45 °C’ and ‘90 °c’ to learn online schools courses. Solve Oxidation-reduction reactions Quiz Questions, download Google eBook (Free Sample) for best online colleges with financial aid.

Laboratory Questions & Answers PDF Download: MCQ Quiz 29

MCQ 141: The tube dipping in water in wash bottle has an angle of

135 °C
140°C
45 °C
90 °C

MCQ 142: The most important application in pharmaceutical industries is

Qualitative analysis
Quantitative analysis
Solvent extraction
Evaporation

MCQ 143: In oxidation reactions, the oxidation number of an atom

Decreases
Increases
Remain constant
No change

MCQ 144: A safe and reliable method of drying crystals is through

Animal charcoal
Vaccum desiccator
Silica gel
CaCl₂

MCQ 145: The zone in the flame which is cold and consists of unburnt particle is

Dark inner zone
Luminous zone
Non-Luminous zone
Blue zone

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