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Watch Later 1:19

Reading practice

By: t2214, Views: 623

Reading aloud

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S2_SCI_9.1a_common acids

By: t2105, Views: 508

S2_SCI_9.1a_common acids

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S2_SCI_9.1b_common alkalis

By: t2105, Views: 552

S2_SCI_9.1b_common alkalis

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S2_SCI_9.1c_handling acids and alkalis safely

By: t2105, Views: 690

S2_SCI_9.1c_handling acids and alkalis safely

Watch Later 1:07

Pre-class 5B

By: t2112, Views: 579

Listening video

Watch Later 5:52

S2_SCI_9.2a_natural indicators

By: t2105, Views: 519

S2_SCI_9.2a_natural indicators

Watch Later 4:22

S2_SCI_9.2b_litmus

By: t2105, Views: 468

S2_SCI_9.2b_litmus

Watch Later 6:17

S2_SCI_9.2c_ph value_universal indicator

By: t2105, Views: 476

S2_SCI_9.2c_ph value_universal indicator

Watch Later 5:22

S2_SCI_9.2c_pH meter

By: t2105, Views: 520

S2_SCI_9.2c_pH meter

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