H2GM - Every Question Matters. Logo

Questions in chemistry

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

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

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

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

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

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

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

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

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

[Open]Suggest two ways to liquefy gases.