which of the following apparatus is used for supporting a glass apparatus while heating liquid and solid. (a) beaker (b) spirit lamp (c) Tripod stand (d) Test tube
Answers
Answer:
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Explanation:
c options is the right answer of Ur questions
Answer:
Mention one use of each of the following equipments
(a) Spirit lamp
(b) Test tube
(c) Conical flask
(d) Evaporating dish
(e) Wire gauze
(f) Beaker
(g) Mortar and pestle
(h) Measuring cylinder
(i) Glass tube
(j) Gas jar
(k) Reagent bottle.
Answer:
(a) Spirit lamp is used to heat up substances.
(b) Test tube is used to conduct tests with small quantities of chemicals for heating and boiling purposes.
(c) Conical flask to hold sufficient quantities of substance in the form of solution.
(d) Evaporating dish is used for evaporating liquids.
(e) Wire gauze is used to keep glass apparatus (flask, beaker) on while heating is in progress. It is also used for uniform distribution of heat.
(f) Beaker is used for keeping of solutions.
(g) Morter and pestle is used to grind and crush solid substances into a pov
(h) Measuring cylinder is used to measure the volume of (mainly) liquid substances.
(i) Glass tube is used to transfer fluids or gases from one vessel to another.
(j) Gas jar is used for collecting gases and holding them in captivity vaccum.
(k) Reagent bottle is used for storing chemicals.
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and ans. is (C)