Materials - NCERT
3. Litmus test Bring moist blue and red litmus papers near to the mouth of the test tube 4. Combustion Bring a lighted candle near to the test mouth of the test tube OBSERVATIONS Fig. 2.1: Reaction of zinc granules with dil. sulphuric acid Glass tube Dilute sulphuric acid Zinc granules Test tube
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www.ncert.nic.inbaking soda solution, milk of magnesia, washing soda solution, lime water. If possible make solution s in distilled water. Record your observations as in Table. 5.2. In your Table, are there any substances on which litmus had no effect? Name those substances. The solutions which do not change the colour of either red or blue litmus