Free Printable GN6120_CHEMISTRY CLASS 7_ACID AND BASIS_G SURESH

Worksheets

GN6120_CHEMISTRY CLASS 7_ACID AND BASIS_G SURESH_EE21M001

Total questions: 10

Worksheet time: 7mins

Name

Class

Date

Distilled water is

acidic

basic

neutral

none of the above

Ammonia that turns red litmus blue is

acidic

basic

neutral

none of the above

Ants bite injects

acetic acid

formic acid

hydrochloric acid

none of the above

The PH of pure water

(a)

Out of these gases which one is used in fire extinguishers?

Why are acids not stored in a metal container?

4 lines

Which of the following is an acid-base indicator?

Vinegar

Lime water

Turmeric

Baking sodaacid

What is the chemical formula for acetic acid?

HCl

H2SO4

CH3COOH

NaCl

PH scale range?

0-7

7-14

0-14

1-14

10.

Name the scientist who developed the pH scale?

(a)

Reset

GN6120_CHEMISTRY CLASS 7_ACID AND BASIS_G SURESH_EE21M001

Total questions: 10

Worksheet time: 7mins

Out of these gases which one is used in fire extinguishers?

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