Flash Cards
Explore the fundamentals of chemical reactions, types, and balancing equations in this chapter, essential for understanding chemistry basics.
Flash Cards for the chapter - Chemical Reactions and Equations
1/20
Iron displaces copper from copper sulphate solution, forming iron sulphate and copper metal.
2/20
The product is iron sulphate and copper metal.
3/20
The chemical equation is: Fe + CuSO4 -> FeSO4 + Cu.
4/20
Zinc reacts with dilute sulphuric acid to produce zinc sulphate, hydrogen gas, and heat.
5/20
The products are zinc sulphate, hydrogen gas, and heat.
6/20
The chemical equation is: Zn + H2SO4 -> ZnSO4 + H2.
7/20
Sodium sulphate and barium chloride react to form barium sulphate and sodium chloride.
8/20
The product is barium sulphate and sodium chloride.
9/20
The chemical equation is: Na2SO4 + BaCl2 -> BaSO4 + 2NaCl.
10/20
Lead nitrate reacts with potassium iodide to form lead iodide and potassium nitrate.
11/20
The product is lead iodide and potassium nitrate.
12/20
The chemical equation is: Pb(NO3)2 + 2KI -> PbI2 + 2KNO3.
13/20
Silver nitrate and sodium chloride react to form silver chloride and sodium nitrate.
14/20
The product is silver chloride and sodium nitrate.
15/20
The chemical equation is: AgNO3 + NaCl -> AgCl + NaNO3.
16/20
A chemical reaction is a process in which one or more substances are converted into new substances with different properties.
17/20
Milk sours and forms curd when left at room temperature during summers due to the action of bacteria.
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.
19/20
Grapes get fermented to produce wine or vinegar due to the action of yeast on the sugars present in grapes.
20/20
Food undergoes chemical changes like caramelization, Maillard reaction, and denaturation of proteins when cooked.
Explore the intricate balance of ecosystems, the impact of human activities on the environment, and the importance of conservation efforts in 'Our Environment'.
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