Periodic Table
This is the lightest element on the periodic table.
Hydrogen
Which of the metals, commonly used in fireworks, reacts vigorously with water and acid.
Magnesium, Iron or Zinc
Magnesium
The chemical formula for table salt.
NaCl
The largest organ in the human body is called.
Skin
Which country has the largest population in the world as of 2024
India
This element, with the atomic number 8, is essential for respiration
Oxygen
This metal does not react with dilute Sulfuric acid because it is less reactive than hydrogen.
Copper
What is the chemical name for H₂SO₄.
Sulfuric acid
What is the planet known as the "Red Planet?
Mars
Which ocean is the largest by surface area?
Pacific ocean
This is the only metal that is liquid at room temperature.
Mercury
Among magnesium, zinc, and iron, this one reacts the least vigorously with acids.
Iron
What poisonous gas is released by car's exhaust pipes?
Carbon monoxide
What is number of bones in the adult human body?
206
How old is America since independence?
248 years old since independence.
The group of elements known as "noble gases" are found in which column of the periodic table.
Group 18
This process, in which aluminum reacts with oxygen, forms a protective oxide layer is called.
Passivation
What is a formula for Sucrose, a common sugar used for energy
C12H22O11
What do you call a branch of science that studies plants?
Botany
In which part of Africa is Zambia located?
Southern part
What is the name of the element found in Period 4 and Group 14 of the periodic table?
Gemenium
What type of reaction occurs when a more reactive metal displaces a less reactive metal from its compound?
Displacement reaction
What is a common name for Ca(OH)₂, used in plaster and soil treatment?
Slaked lime
Which scientist is known as the "father of modern physics."
Albert Einstein
Name the colors in the national flag of Zambia
Red,Green, Black and Orange