oly class-5 evs set-5 - The Smart Visions

Created on October 26, 2024

Olympiad class 5 Science: Elements, Symbols & Formulas

NameEmailPhone NumberSelect Level / Class

1 / 25

What is the chemical name of Pb?

A) Potassium

B) Lead

C) Zinc

D) Sodium

2 / 25

What is the symbol of Zinc?

A) Zn

B) Ge

C) C₂O

D) Sb

3 / 25

Water is an example of _________.

A) Compound

B) Element

C) None of these

D) Mixture

4 / 25

What is the chemical symbol for Potassium?

A) P

B) Ka

C) K

D) Ko

5 / 25

How many elements are present in periodic table?

A) 118

B) 112

C) 110

D) 120

6 / 25

Which of the following is the chemical symbol for Nitrogen?

A) Ni

B) Na

C) N

D) Ne

7 / 25

What is the chemical formula for table salt?

A) HCl

B) KCl

C) NaCl

D) NaOH

8 / 25

Which of the following is the chemical symbol for Lithium?

A) Al

B) Si

C) Li

D) Ar

9 / 25

What is the chemical formula for hydrogen peroxide?

A) HO

B) HCl

C) H₂O₂

D) H₂O

10 / 25

Which of the following is a compound?

A) Hydrogen

B) Oxygen

C) Silver

D) Water

11 / 25

What is the symbol of Fluorine?

A) F

B) Fn

C) Flu

D) Fl

12 / 25

What is the symbol of Aluminium?

A) Alu

B) Al

C) Ai

D) A

13 / 25

All elements are arranged in a chart called ____________.

A) Atomic table

B) Element table

C) Metals table

D) Periodic table

14 / 25

Which of the following is the chemical formula for Sulphuric acid?

A) H₂SO₃

B) HCl

C) H₂SO₄

D) HNO₃

15 / 25

Which of the following elements is represented by the symbol "Fe"?

A) Iron

B) Gold

C) Silver

D) Copper

16 / 25

What is the symbol for hydrogen?

A) Ho

B) He

C) H

D) Ha

17 / 25

What is the chemical symbol for Silver?

A) Al

B) Ar

C) Ag

D) Si

18 / 25

Which of the following is the symbol for helium?

A) He

B) Li

C) H

D) Ne

19 / 25

Which of the following elements is represented by the symbol "Cu"?

A) Calcium

B) Chromium

C) Cobalt

D) Copper

20 / 25

What are the types of elements?

A) Both

B) Metal

C) Non-metal

D) None of these

21 / 25

What is the chemical formula for Carbon dioxide?

A) CO₂

B) CO3

C) C₂O

D) CO

22 / 25

What is the symbol "Ar" for?

A) Argon

B) Magnesium

C) Gold

D) Aluminium

23 / 25

How many elements are named after planets?

A) 6

B) 3

C) 5

D) 4

24 / 25

Which of the following elements is a liquid in a standard condition?

A) H

B) O₂

C) N

D) Hg

25 / 25

What does the chemical formula NaCl represent?

A) Nitrogen Chloride

B) Sodium Chloride

C) Nitric Chloride

D) Nickel Chloride

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