miawainwright07 miawainwright07

03-05-2022
Chemistry

contestada

You are given a pure sample of a colourless gas in a test tube. It is
either oxygen, nitrogen or hydrogen. Explain how you would
identify the gas.

Respuesta :

Аноним Аноним

03-05-2022

Answer:

Explanation:

If the gas pops when the top of the test tube is placed close to a flame it is hydrogen,

If it re-ignites a glowing splint it's oxygen.

Otherwise the gas is nitrogen.

Answer Link

Otras preguntas

What form of energy is stored in a green plant?

what is the main idea for the book Helen keller

IMPOSSIBLE MATH QUESTION(1+tan (1))(1+tan (2))(1+tan (3))(1+tan (4))...(1+tan (45))=?find the value

Give the domain of f(x) = 9^(x-4) +7a.) x > 0b.) x < 7c.) x > 4d.) All Real Numbers

The period of 3cosx/5 is..???

A squirrel sitting on the ground starts to run with an acceleration of 5.1 m/s 2. How fast is the squirrel going after 0.25 seconds? A. 20.4 m/s B. 1.28 m/s C.

A small rectangular block of metal must be a magnet is ita. Aligns itself east west when hung up from the ceilingb. Is attracted towards a magnet c. Is made of

the ----- ------ forms the basis of all color relationships

what is the main idea for the book Helen keller

In fruit flies, red eyes are dominant to green eyes. In a cross between a short-winged, green-eyed fly and a long-winged, red-eyed fly, the results were as foll