Physical properties
Alkali metals are the most active metals. T or F?
True
Why we use the flame test?
To differ and identify alkali metals from other metals
Which alkali compound is used in the production of soap, paper, textile?
NaOH
What is the ending of electron configuration of Alkali metals?
s1 or ns1
The flame Color of Lithium is
red
Which alkali compound is used in the production of baking powder, and neutralization of HCl?
NaHCO3
What is the difference of alkali metals from other metals?
The flame color of Potassium K is
lilac / violet / purple
KOH is used to produce ..... soap.
Find the missing word
liquid
The most active metal in 1A group is
Cs
What is the name of compund which is formed after the reaction of alkali metals with oxygen?
oxides
Which alkali compound is used in the nutrition?
NaCl
Why we stoer alkali metals under the oil?
Because they are very active, they can react with air
salts of alkali metals
What are the name of products when alkali metals react with water?
Hydroxides / bases / + Hydrogen gas