Flash Cards

Flash Cards: Chemical Reactions and Equations

This chapter introduces chemical reactions and equations, detailing how substances transform during reactions and the significance of balanced equations.

Flash Cards: Chemical Reactions and Equations

Flash Cards for the chapter - Chemical Reactions and Equations

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1/20

Explain the reaction between iron and copper sulphate solution.

1/20

Iron displaces copper from copper sulphate solution, forming iron sulphate and copper metal.

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2/20

What is the product of the reaction between iron and copper sulphate solution?

2/20

The product is iron sulphate and copper metal.

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5/20

What is the chemical equation for the reaction between iron and copper sulphate solution?

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5/20

The chemical equation is: Fe + CuSO4 -> FeSO4 + Cu.

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6/20

Describe the reaction between zinc and dilute sulphuric acid.

6/20

Zinc reacts with dilute sulphuric acid to produce zinc sulphate, hydrogen gas, and heat.

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What is the product of the reaction between zinc and dilute sulphuric acid?

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The products are zinc sulphate, hydrogen gas, and heat.

8/20

What is the chemical equation for the reaction between zinc and dilute sulphuric acid?

8/20

The chemical equation is: Zn + H2SO4 -> ZnSO4 + H2.

9/20

Explain the reaction between sodium sulphate and barium chloride.

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Sodium sulphate and barium chloride react to form barium sulphate and sodium chloride.

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What is the product of the reaction between sodium sulphate and barium chloride?

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The product is barium sulphate and sodium chloride.

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What is the chemical equation for the reaction between sodium sulphate and barium chloride?

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The chemical equation is: Na2SO4 + BaCl2 -> BaSO4 + 2NaCl.

12/20

Describe the reaction between lead nitrate and potassium iodide.

12/20

Lead nitrate reacts with potassium iodide to form lead iodide and potassium nitrate.

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What is the product of the reaction between lead nitrate and potassium iodide?

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The product is lead iodide and potassium nitrate.

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What is the chemical equation for the reaction between lead nitrate and potassium iodide?

14/20

The chemical equation is: Pb(NO3)2 + 2KI -> PbI2 + 2KNO3.

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Explain the reaction between silver nitrate and sodium chloride.

15/20

Silver nitrate and sodium chloride react to form silver chloride and sodium nitrate.

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What is the product of the reaction between silver nitrate and sodium chloride?

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The product is silver chloride and sodium nitrate.

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What is the chemical equation for the reaction between silver nitrate and sodium chloride?

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The chemical equation is: AgNO3 + NaCl -> AgCl + NaNO3.

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What is a chemical reaction?

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A chemical reaction is a process in which one or more substances are converted into new substances with different properties.

19/20

What happens when milk is left at room temperature during summers?

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Milk sours and forms curd when left at room temperature during summers due to the action of bacteria.

20/20

What happens when an iron tawa/pan/nail is left exposed to humid atmosphere?

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Iron tawa/pan/nail gets rusted when left exposed to a humid atmosphere due to the reaction of iron with oxygen and moisture.

21/20

What happens when grapes get fermented?

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Grapes get fermented to produce wine or vinegar due to the action of yeast on the sugars present in grapes.

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What happens when food is cooked?

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Food undergoes chemical changes like caramelization, Maillard reaction, and denaturation of proteins when cooked.

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