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Answer the following question:
How do acids and bases react with each other? What is the name of the process? What product is obtained from these reactions?
Concept: Chemical Equations
Explain the reaction given in the figure.
Concept: Types of Chemical Reactions > Decomposition Reaction
Identify the type of chemical reaction given below:
\[\ce{CuSO4 + Fe -> FeSO4 + Cu}\]
Concept: Types of Chemical Reactions > Single Displacement Reaction
Identify the type of chemical reaction given below:
\[\ce{2Mg + O2 -> 2MgO}\]
Concept: Chemical Properties of Carbon Compounds > Oxidation
In a double displacement reaction ______.
Concept: Types of Chemical Reactions > Double Displacement Reaction
Complete the following chemical reaction:
\[\ce{CuSO4 (aq) + Pb (s) -> \underline{}\underline{}\underline{}\underline{}\underline{}\underline{} + \underline{}\underline{}\underline{}\underline{}\underline{}\underline{}}\]
Name the chemical reaction type.
Concept: Types of Chemical Reactions > Single Displacement Reaction
Complete the given chemical equation:
\[\ce{Zn(s) + CuSO4(aq) -> \underline{}\underline{}\underline{}\underline{}\underline{} + \underline{}\underline{}\underline{}\underline{}\underline{}}\]
Name the type of reaction.
Concept: Types of Chemical Reactions > Single Displacement Reaction
It is recommended to use air tight containers for storing oil for a long time.
Concept: Chemical Properties of Carbon Compounds > Oxidation
Complete the following reaction:
\[\ce{C_12H_22O11->[Heat]}\] ______ + ______.
Concept: Types of Chemical Reactions > Decomposition Reaction
Write the molecular formula of calcium carbonate.
Concept: Types of Chemical Reactions > Decomposition Reaction
Dilute NaOH can be tested with
(a) red litmus paper
(b) blue litmus paper
(c) lime water
(d) Na2CO3
Concept: Properties of Acids > Physical Properties
| Column A | Column B | ||
| i | eosin | 1 | losing hydrogen |
| ii | oxidation | 2 | synthetic indicator |
| 3 | losing oxygen | ||
| 4 | natural indicator |
Concept: Properties of Acids > Physical Properties
Give the molecular formula of bleaching powder.
Concept: Important Salts in Daily Life >> Preparation and Uses of Bleaching Powder
When phenolphthalein is added to NaOH, the colour of the solution will become _________.
- colourless
- red
- pink
- yellow
Concept: Properties of Acids > Physical Properties
Name the product obtained when Plaster of Paris is mixed with water. State the use of the product. Give two uses of POP.
Concept: Important Salts in Daily Life >> Preparation and Uses of Plaster of Paris
Sodium or potassium salt of higher fatty acid is termed …………
Concept: Chemicals from Common Salt - Soap as a Salt
From which plant is litmus paper or litmus solution obtained?
- Moss
- Rose
- Hibiscus
- Lichen
Concept: Properties of Acids > Physical Properties
A person has sour taste in the mouth and a burning sensation of the stomach.
- What is he suffering from?
- Why does it happen?
- What substance is used as a remedy?
Concept: Acids, Bases and Their Reactivity
The litmus paper or the litmus solution is obtained from ________ plant
(A) Moss
(B) Lichen
(C) Rose
(D) Hibiscus
Concept: Properties of Acids > Physical Properties
Which substance when used with butter having butyric acid can cure acidity?
(A) Lime water
(B) Soda water
(C) Calcium carbonate
(D) Lime juice
Concept: Acids, Bases and Their Reactivity
