Question

Material required: Universal indicator paper, dilute NaOH, dilute NH,OH, dilute HCI,
dilute H.SO, vinegar, distilled water
Procedure:
Take Icm' of dilute HCl, dilute H,SO,, dilute CH,COOH (vinegar), dilute NaOH distilled
water in different test tubes.
Add 1.5 cm' of distilled water.
Dip separate universal indicator papers in each tube and match the colour with colour given
on the strip
Note the observations,
Sample
Colour of univeral indicator paper pH of the solution
Dilute HCI
Dilute H2SO4
Dilute CH,COOH
Dilute NaOH
DiluteNH,OH
Distilled H,O​

Answer 1

Answer:

A metal is treated with dilute H2SO4 acide the gas evolved is collected by the method shown in the figure