Chemistry Matter and Atoms Quiz
15 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

The atomicity of Ozone is ___

  • Reduced
  • Sublimation
  • Unaffected (correct)
  • Evaporation

Which of the following is a characteristic of matter in the solid state?

  • They are difficult to compress (correct)
  • They have no definite volume
  • They can translate
  • They highly energetic

In electrovalent combination, valence electrons are transferred and the atomic number is ___

  • Stabilized
  • Reduced (correct)
  • Sublimation
  • Distabilized

The equation H (aq) + OH →H2O(i) represents a ___

<p>Hydration (A)</p> Signup and view all the answers

The relative molecular mass of the compound Ca(HCO3)2 is ___

<p>122 (B)</p> Signup and view all the answers

What is the correct equation for the formation of sodium chloride?

<p>Na + Cl → NaCl (A)</p> Signup and view all the answers

How many atoms are contained in 2g of hydrogen gas (H=1)?

<p>6.02 x 10^23 atoms (B)</p> Signup and view all the answers

What is a substance called that changes red litmus paper to blue?

<p>6.02 x 10^23 molecules base (B)</p> Signup and view all the answers

In the equation XNaOH + H2SO4 → Na2SO4 + 2H2O, what is the value of X?

<p>1 (C)</p> Signup and view all the answers

What does the formula 3NH3 represent?

<p>Ammonia (D)</p> Signup and view all the answers

What is the molecular mass of oxygen gas?

<p>$O_2$ (C)</p> Signup and view all the answers

According to the kinetic theory, matter is:

<p>Made up of particles in constant motion (B)</p> Signup and view all the answers

Calculate the volume of 2.5 moles of oxygen at s.t.p (molar volume of gas = 22.4dm3).

<p>$56dm^3$ (C)</p> Signup and view all the answers

Which of the following elements is diatomic?

<p>$H$ (A)</p> Signup and view all the answers

What does 'x' represent in the reaction $CaCO_3 + 2HCl → CaCl_2 + H_2O + x$?

<p>$CO_2$ (D)</p> Signup and view all the answers
Use Quizgecko on...
Browser
Browser