quiz 1

When acids react with metals which gas releases?

• Co2

• H2

• N2

• Cl2

pH value of neutral solution is

Acid reactie with base and gives

Example for strong base is

Acid solution conducts electriciity so it is a

Formula of bleaching powder is

Which gas converts lime water milky white

Which gas puts off with a pop sound when burning splinter is introduced?

Who introduced ph

scale

Phenopthylene turns base to ____ colour