Chemistry
Grade-10
Easy
Question
An element (B) reacts with oxygen to form (C), turning red litmus paper into blue. Identify the (B) and (C) from the following?
- B is metal and C is acidic oxide
- B is metal and C is basic oxide
- B is non-metal and C is acidic oxide.
- B is non-metal and C is basic oxide.
Hint:
Metal oxide is basic.
The correct answer is: B is metal and C is basic oxide
- C is for sure base as it turns red litmus blue.
- When metal reacts with oxygen forms metal oxide which is basic in nature.
- B is metal and C is metal oxide.
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