Flash Cards: Chemical Reaction...
Flash Cards
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1/20
Iron displaces copper from copper sulphate solution, forming iron sulphate and copper metal.
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2/20
The product is iron sulphate and copper metal.
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3/20
The chemical equation is: Fe + CuSO4 -> FeSO4 + Cu.
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4/20
Zinc reacts with dilute sulphuric acid to produce zinc sulphate, hydrogen gas, and heat.
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5/20
The products are zinc sulphate, hydrogen gas, and heat.
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6/20
The chemical equation is: Zn + H2SO4 -> ZnSO4 + H2.
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7/20
Sodium sulphate and barium chloride react to form barium sulphate and sodium chloride.
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8/20
The product is barium sulphate and sodium chloride.
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9/20
The chemical equation is: Na2SO4 + BaCl2 -> BaSO4 + 2NaCl.
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10/20
Lead nitrate reacts with potassium iodide to form lead iodide and potassium nitrate.
11/20
11/20
The product is lead iodide and potassium nitrate.
12/20
12/20
The chemical equation is: Pb(NO3)2 + 2KI -> PbI2 + 2KNO3.
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13/20
Silver nitrate and sodium chloride react to form silver chloride and sodium nitrate.
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14/20
The product is silver chloride and sodium nitrate.
15/20
15/20
The chemical equation is: AgNO3 + NaCl -> AgCl + NaNO3.
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16/20
A chemical reaction is a process in which one or more substances are converted into new substances with different properties.
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17/20
Milk sours and forms curd when left at room temperature during summers due to the action of bacteria.
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18/20
Iron tawa/pan/nail gets rusted when left exposed to a humid atmosphere due to the reaction of iron with oxygen and moisture.
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19/20
Grapes get fermented to produce wine or vinegar due to the action of yeast on the sugars present in grapes.
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20/20
Food undergoes chemical changes like caramelization, Maillard reaction, and denaturation of proteins when cooked.