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Questions in chemistry

[Answered] What is a universal indicator? What is its advantage?

[Answered] Is polythene a conductor or an insulator of electricity?

[Answered] What type of reaction will occur when lead nitrate is mixed with a potassium iodide solution?

[Answered] What does the term "pH" stand for?

[Answered] Use a chemical reaction to show that zinc is more reactive than iron.

[Answered] How can you demonstrate the presence of water vapor in the air?

[Answered] How do the three states of matter arise?

[Answered] How many grams of NH3 can be prepared from 85.5 grams of N2 and 17.3 grams of H2?

[Answered] When magnesium burns in [tex]Cl_2[/tex], it forms magnesium chloride. Which element is reduced?

[Answered] Suggest two ways to liquefy gases.