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year 7 unit 1 quiz

Total questions: 31

Worksheet time: 25mins

Name
Class
Date
1.

what are some strong alkalis

(a)  

2.

What pH is a weak alkali?

a)

pH 1

b)

pH 5

c)

pH 7

d)

pH 9

e)

pH13

3.

What pH is a weak acid?

a)

pH 1

b)

pH 5

c)

pH 7

d)

pH 9

e)

pH13

4.

Match the following names to the correct formulas:

a)

Hydrochloric Acid

1.

HCl

b)

Sodium Hydroxide

2.

NaOH

c)

Sulphuric Acid

3.

H2SO4

d)

Nitric Acid

4.

HNO3

e)

Zinc Oxide

5.

ZnO

5.

Blue Litmus indicator, when mixed with an acid, is a (a)   colour.

6.

Match the following Indicators with the images of the ranges for that indicator:

a)
1.

Universal Indicator

b)
2.

Blue Litmus Indicator

c)
3.

Phenolphthalein Indicator

d)
4.

Red Cabbage Indicator

7.

Milk of magnesia is a medicine used to treat indigestion. Milk of magnesia is most likely to be

a)

alkali

b)

neutral

c)

from a cow

d)

acidic

8.

Rivers and lakes that have become acidic due to acid rain can be treated with _________ .

a)

calcium hydroxide

b)

sodium chloride

c)

potassium chloride

d)

hydrochloric acid

9.

When sulfuric acid react with potassium hydroxide, what will be the product?

a)

sodium chloride and water

b)

potassium sulfate and water

c)

sodium nitrate and water

d)

carbon dioxide and water

10.

These house hold items were made of ____________.

a)

acids

b)

alkalis

11.

What is the meaning of the word 'acid'?

a)

Sour

b)

Bitter

c)

The ashes

d)

burn

12.

Which of the following is INCORRECT for an acid?

a)

Sour taste

b)

pH is less than 7

c)

Turn red litmus solution blue

d)

Must contain H in the formula

13.

The color of universal indicator in pure water:

a)

Red

b)

Blue

c)

Purple

d)

Green

14.

Reaction between acid and alkali producing salt and water:

a)

Combustion

b)

Neutralization

c)

Precipitation

d)

Decomposition

15.

Something that can be used to identify acid/alkali:

a)

Indicator

b)

Oxidator

c)

Reductor

d)

Terminator

16.

The color of universal indicator in hydrochloric acid:

a)

Red

b)

Blue

c)

Purple

d)

Green

17.

The color of universal indicator in sodium hydroxide:

a)

Red

b)

Yellow

c)

Purple

d)

Green

18.

Which formula is for hydrochloric acid

a)

HCl

b)

H2Cl

c)

H2SO4

d)

HNO3

19.

What is the name for this acid H2SO4

a)

hydrochloric acid

b)

phosphorus acid

c)

sulfuric acid

d)

nitric acid

20.

What is the name for this acid HNO2

a)

hydronitric acid

b)

nitrous acid

c)

nitric acid

d)

nitrate acid

21.

what is the name for this acid HF

a)

fluoric acid

b)

hydrofluoric acid

c)

fluorous acid

22.

Name the following compound.

H2 SO3

a)

Sulfuric acid

b)

Sulfurous acid

c)

Hydrosulric acid

23.

Always add the word "________" to the end when naming acids

a)

base

b)

hydro

c)

acid

d)

Baumstark

24.

When naming oxyacids, change "-ate" to:

a)

-ate

b)

-ic

c)

-ous

d)

-ite

25.
What products are produced when we react an acid with an alkali?
a)
salt + carbon dioxide + water
b)
salt + hydrogen
c)
salt + water
d)
salt + water + hydrogen
26.
Sodium hydroxide + sulphuric acid —> ...?
a)
sodium carbonate
b)
sodium sulphate
27.

Metal + Oxygen yields __________________________

a)

Metal Oxide + Water

b)

Metal Oxide + Hydrogen

c)

Metal Oxide

d)

Metal Hydroxide + Hydrogen

28.
Which food is the most acidic?
a)
bananas
b)
lemon juice
c)
orange juice
d)
fish
29.
products of a neutralisation reaction are always
a)
an acid and a base
b)
an acid and a salt
c)
salt and water
d)
salt and base
30.

Classify these salts into Soluble or Insoluble Salt :


NaCl

(a)  

31.

Click at Insoluble Salt

a)

AgCl

b)

KNO3

c)

Ca(NO3)2

d)

CaSO4

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