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 of the following is the allusion in the short story?A. the gold watch that belonged to Jim's grandfather B. the selling of Della's hair C. the term magi u
What is the answer to ¿Le gustaría algo más?
Which of the following volumes represent a perfect cube? CHECK ALL THAT APPLY. A. 1 in.3 B. 4 in.3 C. 8 in.3 D. 12 in.3 E. 25 in.3 F. 27 in.3 G. 64 in.3
Choose the equation that represents the line passing through the point (-2,-3) with a slope of -6 Awnsers are A) y=-6x-15 B) y=-6x-20 C) y=-6x+15 D) y=-6x+20
The _____ reflects the total market value of over 98% to 99% of all publicly traded stock in the u.s.
HIV/AIDS prevention research includes the research __________. A. of how the HIV/AIDS virus infects humans B. of why HIV develops a resistance to drugs C. of ne
Describe the relationship between hydrogen ions (h+) and ph. how is ph related to a solution's acideic
When an athlete first starts to exercise, her initial energy needs are provided primarily by the aerobic energy system?
nutrient level required to maintain energy and growth what is it called
_____ refers to the principles, rules, and values people use in deciding what is right or wrong