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

Which figure of speech is used in this excerpt from act 1 of Shakespeare's Romeo and Juliet? ROMEO: O, she doth teach the torches to burn bright! It seems she

How many hours will it take the human body to fully digest a meal? A . 3 hours B. 6 hours C. 5 hours D. 9 hours E. None of the above

(2r)^5 typed in expanded form.

which must be true of a quadratic function whose vertex is the same as its y-intercept? the axis of symmetry for the function is x = 0. the axis of symmetry for

In this excerpt from Kennedy's 1963 Civil Rights Address what idea is being most clearly defined? "This is not a sectional issue. Difficulties over segregation

may someone help me out with this

A shipment of 205 Otter Box covers for i-phones has just arrived. The total invoice (excluding tax, shipping, etc.) is $ 4,829.75 The Otter Box “Defender” cove

may someone help me out with this

find cube of a)-0.16 b)-2/7 c)14

When Anna was born 16 years ago, her small town of Lewisville had a population of 15,000. The population has increased 11% each year since then. What is the cur