18.2
Your guide: Miss SanaCounts atoms the way you count rupees: carefully.
They are used as catalysts and in alloys. Name the use the question asks for.
Step 1 / 7
They are used as catalysts and in alloys. Name the use the question asks for.
Name the chapter before you answer.
Q1. What is this section about?
Uses
✗ Answering without naming the chapter.
✓ Name it first.
1. This section is
(a) The title comes from the book contents.
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