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Types of chemical reactions

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Question 19

A student adds solid magnesium oxide ( $MgO\text{MgO}$ ) to excess distilled water at 298 K and stirs the mixture. Under these conditions, a reaction occurs to form a sparingly soluble product.

Which of the following correctly classifies the chemical nature of magnesium oxide and identifies the most likely pH of the resulting saturated mixture?

Acidic oxide; pH $2$

Basic oxide; pH $13$

Amphoteric oxide; pH $7$

Basic oxide; pH $9$

Markscheme

Types of chemical reactions Questions

GCSE
Chemistry
Types of chemical reactions

55 exam-style questions on OCR GCSE Chemistry Types of chemical reactions. Each one has a worked solution and a mark scheme showing where the marks go.

Types of chemical reactions

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Types of chemical reactions

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

Question 19

A student adds solid magnesium oxide ( $MgO\text{MgO}$ ) to excess distilled water at 298 K and stirs the mixture. Under these conditions, a reaction occurs to form a sparingly soluble product.

Which of the following correctly classifies the chemical nature of magnesium oxide and identifies the most likely pH of the resulting saturated mixture?

Acidic oxide; pH $2$

Basic oxide; pH $13$

Amphoteric oxide; pH $7$

Basic oxide; pH $9$

Markscheme

Types of chemical reactions Questions

GCSE
Chemistry
Types of chemical reactions

55 exam-style questions on OCR GCSE Chemistry Types of chemical reactions. Each one has a worked solution and a mark scheme showing where the marks go.