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 formula for table salt?

A) NaCl

B) HCl

C) NaOH

D) KCl

2 / 25

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

A) H₂SO₃

B) H₂SO₄

C) HCl

D) HNO₃

3 / 25

What is the symbol of Aluminium?

A) A

B) Al

C) Alu

D) Ai

4 / 25

Water is an example of _________.

A) Compound

B) Element

C) Mixture

D) None of these

5 / 25

What does the chemical formula NaCl represent?

A) Nitric Chloride

B) Nickel Chloride

C) Nitrogen Chloride

D) Sodium Chloride

6 / 25

What is the chemical symbol for Potassium?

A) K

B) Ka

C) P

D) Ko

7 / 25

Which of the following is the symbol for helium?

A) He

B) Ne

C) H

D) Li

8 / 25

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

A) Chromium

B) Copper

C) Cobalt

D) Calcium

9 / 25

What is the symbol of Zinc?

A) Ge

B) Zn

C) C₂O

D) Sb

10 / 25

What is the symbol of Fluorine?

A) Fl

B) Flu

C) Fn

D) F

11 / 25

What is the chemical symbol for Silver?

A) Ag

B) Al

C) Si

D) Ar

12 / 25

What are the types of elements?

A) Metal

B) Both

C) Non-metal

D) None of these

13 / 25

What is the chemical formula for hydrogen peroxide?

A) HCl

B) HO

C) H₂O

D) H₂O₂

14 / 25

How many elements are present in periodic table?

A) 112

B) 110

C) 118

D) 120

15 / 25

Which of the following is the chemical symbol for Lithium?

A) Al

B) Si

C) Ar

D) Li

16 / 25

What is the chemical name of Pb?

A) Zinc

B) Potassium

C) Sodium

D) Lead

17 / 25

How many elements are named after planets?

A) 3

B) 4

C) 5

D) 6

18 / 25

What is the symbol "Ar" for?

A) Magnesium

B) Aluminium

C) Argon

D) Gold

19 / 25

What is the chemical formula for Carbon dioxide?

A) CO₂

B) C₂O

C) CO3

D) CO

20 / 25

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

A) N

B) H

C) Hg

D) O₂

21 / 25

Which of the following is the chemical symbol for Nitrogen?

A) Na

B) N

C) Ne

D) Ni

22 / 25

All elements are arranged in a chart called ____________.

A) Element table

B) Periodic table

C) Atomic table

D) Metals table

23 / 25

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

A) Copper

B) Gold

C) Iron

D) Silver

24 / 25

Which of the following is a compound?

A) Hydrogen

B) Water

C) Oxygen

D) Silver

25 / 25

What is the symbol for hydrogen?

A) Ha

B) H

C) He

D) Ho

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