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Chemistry Forums for Students => High School Chemistry Forum => Topic started by: TYNRTUY TUT U on October 20, 2018, 05:36:38 AM

Title: What is test tube
Post by: TYNRTUY TUT U on October 20, 2018, 05:36:38 AM

Hello
What is test tube

Title: Re: What is test tube
Post by: TYNRTUY TUT U on October 20, 2018, 05:37:34 AM

Hello
What is 25 * 150 55ml

Title: Re: What is test tube
Post by: chenbeier on October 20, 2018, 06:24:36 AM

It is the diameter 25mm times length 150 mm of the tube. The maximum volume is 55 ml.

Title: Re: What is test tube
Post by: TYNRTUY TUT U on October 20, 2018, 06:30:37 AM

Hello
When it is fulfilled at that time then it volume is 55ml

Title: Re: What is test tube
Post by: TYNRTUY TUT U on October 20, 2018, 06:31:17 AM

Hello sir
Where it is used what material of glass is this

Title: Re: What is test tube
Post by: TYNRTUY TUT U on October 20, 2018, 06:46:25 AM

Hello
How it is printed on it which method is used

Title: Re: What is test tube
Post by: chenbeier on October 20, 2018, 07:20:46 AM

It is made of Borosilicate, especial temperature resistant glass. Its also written on the tube.  How it is printed have no idea, its secret of the manufacturer.

Title: Re: What is test tube
Post by: TYNRTUY TUT U on October 20, 2018, 07:42:28 AM

Hello
What is maximum temperature and minimum temperature it can work

Title: Re: What is test tube
Post by: chenbeier on October 20, 2018, 08:23:07 AM

Read here https://en.wikipedia.org/wiki/Borosilicate_glass

Title: Re: What is test tube
Post by: TYNRTUY TUT U on October 20, 2018, 08:26:07 AM

Hello
What is maximum temperature this tube can stand in heat 1000 degree C

Title: Re: What is test tube
Post by: chenbeier on October 20, 2018, 08:44:43 AM

Did you read the Wiki link, all proberties are described there. approx 500 ° C.

Title: Re: What is test tube
Post by: TYNRTUY TUT U on October 20, 2018, 08:50:17 AM

Hello
What will happen after 500 Degree C

Title: Re: What is test tube
Post by: chenbeier on October 20, 2018, 08:51:24 AM

It get soft and melt.

Title: Re: What is test tube
Post by: TYNRTUY TUT U on October 20, 2018, 08:55:45 AM

Hello
How to use it can i put in lpg gas i have no busen buner

Title: Re: What is test tube
Post by: TYNRTUY TUT U on October 20, 2018, 08:58:49 AM

Hello
What is maximum temperature LPG gas at home  and Bunsen burner

Title: Re: What is test tube
Post by: chenbeier on October 20, 2018, 09:12:04 AM

From https://www.quora.com/What-is-the-maximum-temperature-a-Bunsen-burner-flame-can-reach


An LPG (propane) flame burns at a maximum of 1980°C.

A natural gas (methane) flame burns at a maximum of 1950 °C.

Both numbers assume that they are being combined with air, which is how most Bunsen burners operate.

If the burner has an oxygen supplied flame the temperature can be much higher. For example, propane with oxygen burns at 2800 °C.