Home › Courses › UP Police SI › Chemistry › ChemistryUP Police SI Chemistry — practice questions Explore 2 free Chemistry questions in UP Police SI Chemistry. Open each question or exercise to read its content, reference answers and available explanation.
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Worked practice questions Match each science fact to the correct answer Read exercise and reference answers Matching pairs Left Acid mix that dissolves gold Right Aqua regia Left Black tarnish on silver Right Silver sulphide Left pH of pure water Right 7 (neutral) Left Gas from metal + acid Right Hydrogen Left The universal solvent Right Water Open this exercise →
Fill in the chemistry basics Read exercise and reference answers Missing parts Answer positive Choices positive negative neutral no Answer hydrogen Choices hydrogen oxygen hydroxide sodium Complete the statement Metals form {0} ions by losing electrons, and acids release {1} ions in water. Instructions Fill each blank. Open this exercise →
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