Mixed & Numerical Problems

by Notetube Official•25 questions•medium•9 views

Try the first 5 questions

1.
Which of the following is NOT a property of alkali metals?
2.
Calculate the mass of Na2CO3 needed to soften 100 L of water containing 162 ppm Ca(HCO3)2 (hard water).
3.
Arrange in order of increasing reactivity with water: Be, Mg, Ca, Ba.
4.
The equivalent weight of H2O2 acting as a reducing agent is:
5.
The volume of O2 at STP produced by decomposition of 34 g of H2O2 is:

0 of 5 answered

This is a preview of 5 of 25 questions. The full quiz is available with a free account.