Question

A glass rod is:
(A) equipment used in mix chemicals and liquid for laboratory process
(B) equipment used to mix solids
(C) equipment used to mix gases
(D) none of these

Answer 1

Hint: In the chemistry lab, various equipment is used for mixing the chemical and liquid solutions. Generally, the lab equipment is used based on the analysis. Those are gravimetric analysis, salt analysis, synthesis, and volumetric titrations. The basic first rule in the lab is to be safe. There are some safety protocols and observations that should be followed by everyone.

Complete step by step solution:
There is common lab equipment used in the chemistry laboratory. Here a list of the types of equipment and usage in the chemistry lab.

S.No	Name of apparatus	Use
1	Beaker	Used to hold and heat liquids. Multi-purpose in lab
2	Brushes	Used to clean test tubes and glassware apparatus.
3	Buchner funnel	Used with vacuum flask for vacuum filtration
4	Bunsen burner	Used for heating and qualitative analysis
5	Burette	Used precisely the volume of solution how much consumed during volumetric titration
6	Crucible with lid	Used to heat small samples at very high temperatures
7	Burette stand	Used to hold the burette during titrations.
8	Electrical balance	Used for weighing substances in gams.
9	Volumetric flasks	Used to heat, mix, and storage chemicals and more use in volumetric titrations.
10	Pipette	Used to transfer the required quantity of liquid solutions from the beaker to the volumetric flask during titration.
11	Glass rod	Used to mix chemicals and liquids which is usually made of glass.
12	Separating funnel	Used to separate immiscible liquids
13	Spatula	Used to moving small amounts of solids from one place to another

From the above list, a glass rod is used to mix chemicals and liquids for laboratory purposes.

Hence the correct answer is option A.

Note: Basic laboratory precautions are wearing safety goggles, mask, white apron, and hand gloves to avoid skin and eye contact with all chemicals. Everyone had to know how to use glassware apparatus otherwise it may cause accidents. Don’t try to eat and drink in the chemistry lab while doing experiments.