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BBC Bitesize
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Separate chemistry 1 - GCSE Combined Science

3+ hour, 9+ min ago   (60+ words) A collection of GCSE Chemistry videos exploring separate chemistry. Part of Combined Science Alisha Kakar explains the different properties of alloys and pure metals Molar gas volume. VideoMolar gas volume Alisha Kakar explains how to use molar gas volume to…...

BBC Bitesize
bbc.co.uk > bitesize > topics > z6gswsg > watch > z878g2p

Measuring the production of a gas - Movement and interactions: Video playlist

2+ mon, 3+ day ago   (153+ words) "This video demonstrates how you can measure the speed of a reaction that gives off a gas in a practical experiment. You can measure the production of a gas by reacting calcium carbonate with hydrochloric acid to produce calcium chloride,…...

BBC Bitesize
bbc.co.uk > bitesize > topics > zvfxcxs > watch > zwxj46f

Investigating the composition of inks - Elements, compounds and mixtures: Video playlist

2+ mon, 3+ day ago   (117+ words) Part of Combined ScienceElements, compounds and mixtures "This video demonstrates how you can investigate the composition of different inks using chromatography, in a practical experiment. Once the different dyes in an ink have been separated, you can calculate the Rf…...

BBC Bitesize
bbc.co.uk > bitesize > topics > z8dgxg8 > watch > z878g2p

Measuring the production of a gas - Chemistry Practicals: Video playlist

2+ mon, 3+ day ago   (145+ words) "This video demonstrates how you can measure the speed of a reaction that gives off a gas in a practical experiment. You can measure the production of a gas by reacting calcium carbonate with hydrochloric acid to produce calcium chloride,…...

BBC Bitesize
bbc.co.uk > bitesize > topics > zjtwywx > watch > zwxj46f

Investigating the composition of inks - Chemistry practicals: Video playlist

2+ mon, 3+ day ago   (142+ words) "This video demonstrates how you can investigate the composition of different inks using chromatography, in a practical experiment. Once the different dyes in an ink have been separated, you can calculate the Rf value to determine how far a dye…...

BBC Bitesize
bbc.co.uk > bitesize > topics > zjtwywx > watch > z9qkb7h

Tests for gases - Chemistry practicals: Video playlist

2+ mon, 3+ day ago   (125+ words) "This video demonstrates four tests for gases that you might be asked to complete in a practical experiment. These will help you to identify oxygen, hydrogen, carbon dioxide, and chlorine. Each test is based on a unique chemical reaction or…...

BBC Bitesize
bbc.co.uk > bitesize > topics > znd93qt

Chemical patterns - GCSE Combined Science

2+ mon, 3+ week ago   (70+ words) A collection of GCSE Chemistry videos exploring chemical patterns. Part of Combined Science The periodic table. VideoThe periodic table This video explains the periodic table, which contains all the known elements. This video explains ionic bonding Development of the atomic…...

BBC Bitesize
bbc.co.uk > bitesize > topics > z478g2p

Chemical calculations - GCSE Combined Science

2+ mon, 4+ week ago   (34+ words) Part of Combined Science This video is about the mole, the unit of measurement for the number of particles in a substance. Combined Science exam practice Jobs that use Science BBC: Science and Environment...

BBC News
bbc.co.uk > news > articles > c4g90lg79njo

Urgent answers needed to 'forever chemical' concerns, says MP

3+ mon, 1+ week ago   (728+ words) Architects have previously released images of what Heyford Park could look like in the future Residents' concerns over potential chemical pollution at a former RAF base need to be answered "with urgency", an MP has said. Former RAF Upper Heyford…...

BBC News
bbc.co.uk > news > articles > c62l9gnx775o

How sunburn inspired a new way to store energy

3+ mon, 1+ week ago   (1304+ words) California's strong sun inspired Grace Han's energy storage research The sun does shine, sometimes, in Boston – but not like this. When chemistry professor Grace Han first visited southern California from Boston some years ago, she noticed the difference. How her…...