Language of chemistry Quiz - ICSE Class 7 Science

Free practice quiz: Language of chemistry (ICSE Class 7 Science). 51 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

This ICSE Class 7 Science practice quiz has 51 multiple-choice questions on Language of chemistry, and 51 of them come with an explanation. Try the 5 sample questions below (tap an option to check yourself), then play the full quiz online. No sign-up needed.

Sample questions

1. Which of the following is the correct chemical symbol for Sodium?

   1. S
   2. So
   3. Na
   4. Sd
   Show answer

   Answer: C. Na

   The chemical symbol for Sodium is derived from its Latin name, Natrium. Therefore, 'Na' is the correct symbol.

2. What is the chemical symbol for Copper?

   1. Co
   2. Cp
   3. Cu
   4. Cr
   Show answer

   Answer: C. Cu

   The chemical symbol for Copper is 'Cu', derived from its Latin name 'Cuprum'.

3. Which of the following is the correct chemical formula for Glucose?

   1. C₆H₁₂O₆
   2. CH₂O
   3. C₁₂H₂₂O₁₁
   4. CO₂
   Show answer

   Answer: A. C₆H₁₂O₆

   Glucose is a sugar with the chemical formula C₆H₁₂O₆, meaning it contains 6 Carbon atoms, 12 Hydrogen atoms, and 6 Oxygen atoms.

4. The chemical symbol for Mercury is Hg. What is its atomic number?

   1. 70
   2. 79
   3. 80
   4. 90
   Show answer

   Answer: C. 80

   Mercury (Hg) has an atomic number of 80, meaning it has 80 protons.

5. What does the chemical symbol 'Cl' represent?

   1. Chlorine
   2. Calcium
   3. Carbon
   4. Chromium
   Show answer

   Answer: A. Chlorine

   The chemical symbol 'Cl' is used for the element Chlorine.

More questions in this quiz

Answers and explanations are in the full quiz.

1. What does the subscript '2' in the chemical formula H₂O represent?
2. Which element has the chemical symbol 'K'?
3. What does the coefficient '2' in the chemical formula 2H₂O represent?
4. The chemical symbol for Iron is derived from its Latin name 'Ferrum'. What is its symbol?
5. Which of the following correctly represents a molecule of Sulphuric Acid?
6. What does the chemical symbol 'Ag' represent?
7. In the chemical formula CO₂, what does the subscript '2' refer to?
8. Which element is represented by the chemical symbol 'Au'?
9. How many atoms of each element are present in a molecule of methane, CH₄?
10. The chemical formula for common salt is NaCl. This indicates the presence of:
11. Which element has the chemical symbol 'Fe'?
12. How many atoms of Oxygen are in a molecule of Ozone (O₃)?
13. What is the chemical symbol for Lead?
14. In the chemical formula Ca(OH)₂, what does the subscript '2' outside the parentheses indicate?
15. Which element is represented by the chemical symbol 'Sn'?
16. What does the chemical symbol 'Hg' represent?
17. Consider the formula Al₂(SO₄)₃. How many atoms of Aluminum are present in one molecule?
18. The chemical symbol for Silver is Ag. What is its atomic number?
19. The chemical symbol for Tungsten is 'W'. What is the origin of this symbol?
20. What does the chemical formula NH₃ represent?
21. Which element has the chemical symbol 'Pb'?
22. In the formula C₃H₈, how many atoms of Hydrogen are there?
23. The chemical symbol for Gold is Au. What is its atomic number?
24. What does the chemical symbol 'O' represent?
25. Consider the formula Fe₂O₃. How many atoms of Iron are present in one formula unit?
26. Which element has the chemical symbol 'W'?
27. What does the chemical formula H₂SO₄ represent?
28. Which of the following represents a molecule of Nitric Acid?
29. The chemical symbol for Tin is Sn. What is its atomic number?
30. What does the chemical symbol 'Mg' represent?
31. In the chemical formula C₂H₅OH, how many atoms of Carbon are there?
32. The chemical symbol for Silver is Ag. What is the common name associated with the symbol's origin?
33. What does the chemical formula CO represent?
34. Which element has the chemical symbol 'P'?
35. Consider the formula H₂O₂. How many atoms of Oxygen are present in one molecule?
36. The chemical symbol for Lead is Pb. What is its atomic number?
37. Which of the following represents a molecule of Calcium Carbonate?
38. The chemical symbol for Copper is Cu. What is its atomic number?
39. What does the chemical symbol 'F' represent?
40. In the formula C₆H₁₂O₆, how many atoms of Hydrogen are there per molecule?
41. The chemical symbol for Iron is Fe. What is its atomic number?
42. Which element has the chemical symbol 'Ca'?
43. What does the chemical formula C₁₂H₂₂O₁₁ represent?
44. The chemical symbol for Sodium is Na. What is its atomic number?
45. Which of the following chemical symbols is NOT derived from a Latin name?
46. What does the subscript '3' in Al₂(SO₄)₃ indicate about the sulfate group?

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