IMPORTANT QUESTION OF CHEMISTERY CALSS - 10th

1) Write a chemical reaction lime with water also write the name  of reaction.

2) Alcohol & glucose both have hydrogen but they don't conduct the electricity , Why?

3) ZnO + C → Zn + CO, Is it Redox Reaction ? Identify Reducing Agent.

4) Write pH value value of following:-

    a. Human body

    b. Human Teeth

5) Write the source of Acid.

   a. Methaonic Acid

   b. Oxallic Acid

6) Write two uses of CaOCl2.

7)What is the full form of PVC?

8) Draw electron dot structure of HCl.

9) Why graphite is conductor?

10) Name the non - metal that is liquid at room temperatures?