(1) Chemistry is a branch of science which is mostly based on ____________.

(2) The desiccator is used to remove ____________ from a substance.

(3) The bunsen burner has different parts like base, hole, collar and ____________.

(4) ____________ or Bunsen burner is a source of heat in chemistry

(5) Corrosive chemicals catch fire easily

(1) A funnel is used for filtration.

(2) A tripod stand is made of wood.

(3) A pipette is used in titration.

(4) Do wear gloves while working in a laboratory.

(1) State any two laboratory rules

(2) Why are students not allowed to mix up any chemicals without approval from the subject teacher?

(3) Write the names of five glass apparatus which are used in a chemistry laboratory.

(4) Which apparatus is used for collecting gas?

(2) Which apparatus is used to measure an accurate volume of liquid?

(1) Mention one use of each apparatus (a) Test tube (b) Conical flask

(3) Write the role of an air adjuster in a Bunsen burner.

(4) Write the name of four items of daily use which have been made using the knowledge of chemistry

(1) Draw the diagram of the following apparatus: (a) Test-tube holder (b) Wash bottle

(4) Label A, B, and C in the diagram given here.

(2) Write the procedure of measuring the volume of water.

(3) Write a short note on laboratory safety rules.

measure volume of liquid

green zone

iron

round-bottom flask

flammable