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

why is cobalt placed before nickel on the periodic table of elements even though it has a higher average atomic mass than nickel

Drugs are substances that cause a change in a person's physical but not mental state.True or Flase

Is it fair to judge people by their Physical Appearance?

In order to achieve his pro-business goals, President Harding sought to reduce _________ on the wealthiest Americans.

To halt the decline in biodiversity, we must do which of the following?

What is a thermostat?

Which are acceptable names for the plane? Choose all answers that are correct. A. Plane AU B. Plane JAU C. Plane R D. Plane ABC

what's the answer for 7r-5=10

What most fundamentally aided the spread of Enlightenment ideas from Europe to America? A-the high literacy rate in American colonies B-the availability of news

Which of the following is a correct definition of the term armature? A. A type of resistant wire B. A type of dry cell battery C. A circuit diagram D. A small