How will you obtain dry oxygen in the laboratory ?

How will you obtain dry oxygen in the laboratory ?

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Dry oxygen can be obtained if the gas so collected is passed f over a tower containing drying agents like phosphorus pentaoxide, fused calcium chloride or bubbling the gas through concentrated sulphuric acid. Then the dry gas is collected by downward displacement of mercury.

4 views Answered 2023-02-05 15:29

Related Questions

(a) How do plants obtain food ? (b) Why do plants need nitrogen ? How do plants obtain nitrogen ?

1 Answers 4 Views

You are given a dry cell, a torch bulb with holder, wires and crocodile clips. How would you use them to

1 Answers 4 Views

Dry HCI gas does not change the colour of dry litmis paper. Why?

1 Answers 8 Views

Choosing only substances from the list given in the box below, write equations which you would use in the laboratory to obtain: (a) Sodium sulphate,

1 Answers 4 Views

Wet clothes dry more quickly on a warm dry day than on a cold humid day. Explain.

1 Answers 4 Views

Why is potassium chlorate is not used for laboratory preparation of oxygen ?

1 Answers 4 Views

State the use of manganese dioxide in the laboratory preparation of oxygen from potassium chlorate.

1 Answers 4 Views

State the precautions while preparing oxygen in the laboratory.

1 Answers 4 Views

Oxygen is prepared in laboratory by treating hydrogen oxide with manganese dioxide.

1 Answers 4 Views

1. The catalyst used in laboratory preparation of oxygen gas from hydrogen peroxide gas is magnesium oxide.

1 Answers 4 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)