Free Printable LD

1.

When a baby kitten becomes an adult cat, this is an example of...

a)

energy metabolism

b)

growth and development

c)

response to stimuli

d)

having cells

2.

Your body shivers when you are cold. This is because of the concept of...

a)

homeostasis

b)

heredity

c)

energy metabolism

d)

cellular organization

3.

Which characteristic of life does this refer to?

a)

Living things need energy

b)

Living things are composed of one or more cells

c)

Living things respond to their environment

d)

Living things grow and reproduce

e)

Living things maintain a stable internal environment

4.

This is an example of__________________.

a)

Reflection

b)

Refraction

c)

Absorption

d)

Diffraction

5.

What is the chemical symbol for Lead?

a)

Pb

b)

Ld

c)

Le

d)

Pl

6.

Which of the following is a common use of Lead in industry?

a)

Batteries

b)

Food packaging

c)

Textiles

d)

Cosmetics

7.

Lead is classified as which type of element?

a)

Metal

b)

Non-metal

c)

Metalloid

d)

Noble gas

8.

What is the atomic number of Lead?

a)

82

b)

80

c)

78

d)

84

9.

Which of the following is a property of Lead?

a)

High density

b)

High reactivity

c)

Transparent

d)

Magnetic

10.

Lead is most commonly extracted from which ore?

a)

Galena

b)

Bauxite

c)

Hematite

d)

Chalcopyrite

11.

What is the electron configuration of Lead?

a)

$[Xe] 4f^{14} 5d^{10} 6s^2 6p^2$

b)

$[Kr] 4d^{10} 5s^2 5p^2$

c)

$[Ar] 3d^{10} 4s^2 4p^2$

d)

$[Ne] 3s^2 3p^2$

12.

Which of the following is a health effect of Lead exposure?

a)

Neurological damage

b)

Improved vision

c)

Increased energy

d)

Enhanced immunity

13.

Lead is often used in which type of protective equipment?

a)

Radiation shielding

b)

Firefighting gear

c)

Diving suits

d)

Sports helmets

14.

What is the melting point of Lead?

a)

327.5°C

b)

500°C

c)

1000°C

d)

1500°C

15.

Which of the following is a method to reduce Lead pollution?

a)

Phytoremediation

b)

Incineration

c)

Landfilling

d)

Deep sea disposal

16.

Lead-acid batteries are commonly used in which application?

a)

Automobiles

b)

Smartphones

c)

Laptops

d)

Solar panels

17.

What is the oxidation state of Lead in Lead(IV) oxide?

a)

+4

b)

+2

c)

0

d)

-2

18.

Which of the following is a characteristic of Lead poisoning?

a)

Anemia

b)

Increased appetite

c)

Improved memory

d)

Stronger bones

19.

Lead is often alloyed with which metal to improve its hardness?

a)

Antimony

b)

Copper

c)

Aluminum

d)

Zinc

20.

What is the density of Lead?

a)

11.34 g/cm³

b)

5.00 g/cm³

c)

2.70 g/cm³

d)

7.87 g/cm³

21.

Which of the following is a historical use of Lead?

a)

Water pipes

b)

Electric wiring

c)

Glass making

d)

Textile dyeing

22.

Lead is a byproduct of which type of mining?

a)

Silver mining

b)

Gold mining

c)

Copper mining

d)

Iron mining

23.

What is the boiling point of Lead?

a)

1749°C

b)

1000°C

c)

500°C

d)

2500°C

24.

Which of the following is a method to detect Lead in water?

a)

Atomic absorption spectroscopy

b)

Gas chromatography

c)

Mass spectrometry

d)

Infrared spectroscopy

25.

Lead is used in the production of which type of glass?

a)

Crystal glass

b)

Tempered glass

c)

Laminated glass

d)

Frosted glass

LD

Total questions: 25

Worksheet time: 25mins

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