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Chemistry
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Effect of Heat on Salts (2)
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Observation for test for oxygen gas, O
The glowing wooden splinter ignites again when inserted into in a test tube
Observation for test of hydrogen gas, H2
A 'pop' sound is produced when wooden splinter lights up
Observation for test of carbon dioxide gas, CO2
Lime water becomes cloudy
Observation for test of ammonia gas, NH3 (1)
The red color of the moist litmus paper changes become blue
Observation for test of chlorine gas, Cl2 (1)
The blue color of the damp litmus paper turns into red and then white
Observation for test of chlorine gas, Cl2 (2)
A greenish-yellow gas with a strong odor is released
Observation for test of ammonia gas, NH3
A strong smell is produced
Observation for test of hydrogen chloride gas, HCl
White fumes are formed when the glass rod is brought close to test tube mouth
Observation for test of sulphur dioxide gas, SO2 (1)
The purple color of acidic potassium manganate(VII) solution
Observation for test of sulphur dioxide gas, SO2 (2)
KMnO4 is decolorized
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Effect of Heat on Salts (2)
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