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Tests for gases

The four gas tests as a reference table, gas, test and positive result, ready for the board in one click. It is one of the curated Chemistry sets in the science table builder, sized for projection and exportable for a worksheet.

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MBMrs Bennet
Science Table Builder
Tests for gases
The test and positive result for each of the four gases.
GasTestPositive result
HydrogenBurning splintBurns rapidly with a pop
OxygenGlowing splintSplint relights
Carbon dioxideBubble through limewaterLimewater turns milky
ChlorineDamp litmus paperLitmus is bleached white

A hand-built replica of the real builder page, not a screenshot. Every control shown exists in the product.

Part of the Science table, Bond energies table, Flame test colours and Tests for negative ions pages.

Why this works in Chemistry

Two of the four use a splint, and that is where the marks go. Hydrogen needs a burning splint and gives a pop, oxygen needs a glowing splint and relights it, and pupils swap them because both answers sound right. On the board the two rows sit together, so the class sees that the test and the result are a pair, not two facts to remember separately.

Chlorine is the other slip. The positive result is that damp litmus paper is bleached white, and a pupil who stops at the paper turning red has described an acid, not chlorine. Clear the result column and the class writes each result before you show the full table, then send it to stimulus questions for exam style questions about the same four gases.

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