SCIENCE Q1

What is the chemical formula for salt?

• C₁₂H₂₂O₁₁

• H2O

• CO2

• NaCl

When (element) is put in an electrical field, it glows with a hue of red and yellow

Which few elements are noble gases?

• Neon

• Helium

• Oganesson

• Argon

• Xenon

When is the gravitational force of the moon the highest?

What is the property of Krypton?

Draw the structure of ice particles

Why is Xenon a noble gas?

• Because it smells good

• Because it doesn’t react with any gases except fluorine gas

• Because it tastes good

• Because royalty loves this gas

• Because it doesn’t have any smell nor taste

Choose the correct statement

• Helium is lighter than Randon

• Randon is lighter than Argon

• Only Pentafluoro Lodoethane is heavier than air

• Tellurium Hexafluoride is the lightest gas

• None of the above is correct

What is the universe made of?

What are planets and stars made of?