science
Grade-5
Easy
Question
Plastics are widely used for the household articles because
- They are lightweight
- They are very durable
- They can be molded into different shapes
- All of these
Hint:
Plastics have many properties making them ideal for household use.
The correct answer is: All of these
- Plastics like thermosetting plastics are rigid and very durable and heat resistant.
- Thermoplastics can be remolded into an infinite number of shapes.
- They are also very lightweight
- All these properties make them best for household articles.
Related Questions to study
science
See the figure given below and select the correct statements regarding plastics.
(i). Figure (a) shows the structure of a monomer, while figure (b) shows the structure of a polymer.
(ii). Figure (a) shows the structure of a linear polymer, while (b) shows the structure of a cross-linked polymer.
(iii).Small blocks in the structure represent monomers that are joined to give a polymer.
(i). Figure (a) shows the structure of a monomer, while figure (b) shows the structure of a polymer.
(ii). Figure (a) shows the structure of a linear polymer, while (b) shows the structure of a cross-linked polymer.
(iii).Small blocks in the structure represent monomers that are joined to give a polymer.
See the figure given below and select the correct statements regarding plastics.
(i). Figure (a) shows the structure of a monomer, while figure (b) shows the structure of a polymer.
(ii). Figure (a) shows the structure of a linear polymer, while (b) shows the structure of a cross-linked polymer.
(iii).Small blocks in the structure represent monomers that are joined to give a polymer.
(i). Figure (a) shows the structure of a monomer, while figure (b) shows the structure of a polymer.
(ii). Figure (a) shows the structure of a linear polymer, while (b) shows the structure of a cross-linked polymer.
(iii).Small blocks in the structure represent monomers that are joined to give a polymer.
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Polyvinyl chloride is soft, ______, and lightweight plastic.
Polyvinyl chloride is soft, ______, and lightweight plastic.
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All plastics have ______ type of arrangement of units.
All plastics have ______ type of arrangement of units.
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Concise information about three different kinds of plastics is given in the table below.
Identify the P, Q, and R from the following:
Identify the P, Q, and R from the following:
Concise information about three different kinds of plastics is given in the table below.
Identify the P, Q, and R from the following:
Identify the P, Q, and R from the following:
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Categorize the below items of plastics into their different types
Categorize the below items of plastics into their different types
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Which of the following is/are not a property of plastics?
I. Plastics are non-combustible.
II. Plastics do not react with air and acids.
III. Plastics are insoluble in water.
IV. Plastics are a poor conductor of heat
I. Plastics are non-combustible.
II. Plastics do not react with air and acids.
III. Plastics are insoluble in water.
IV. Plastics are a poor conductor of heat
Which of the following is/are not a property of plastics?
I. Plastics are non-combustible.
II. Plastics do not react with air and acids.
III. Plastics are insoluble in water.
IV. Plastics are a poor conductor of heat
I. Plastics are non-combustible.
II. Plastics do not react with air and acids.
III. Plastics are insoluble in water.
IV. Plastics are a poor conductor of heat
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When hot water is placed into an empty plastic water bottle, the water bottle keeps its shape and does not soften. What type of plastic is the water bottle made from?
When hot water is placed into an empty plastic water bottle, the water bottle keeps its shape and does not soften. What type of plastic is the water bottle made from?
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Firefighter uniforms are coated with plastic that is fire resistant. What kind of plastic is used for this purpose?
Firefighter uniforms are coated with plastic that is fire resistant. What kind of plastic is used for this purpose?
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Read the given statements and mark the appropriate answer.
Statement 1: Polyethylene is synthesized from polymers by linking a large number of ethene units.
Statement 2: Polyethylene is a natural fiber
Statement 1: Polyethylene is synthesized from polymers by linking a large number of ethene units.
Statement 2: Polyethylene is a natural fiber
Read the given statements and mark the appropriate answer.
Statement 1: Polyethylene is synthesized from polymers by linking a large number of ethene units.
Statement 2: Polyethylene is a natural fiber
Statement 1: Polyethylene is synthesized from polymers by linking a large number of ethene units.
Statement 2: Polyethylene is a natural fiber
scienceGrade-5
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Heating and cooling of the thermoplastics ______ the chemical nature.
Heating and cooling of the thermoplastics ______ the chemical nature.
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The polyvinyl chloride plastics are generally _______ in water.
The polyvinyl chloride plastics are generally _______ in water.
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Plastics are divided into thermoplastics and thermosetting based on
Plastics are divided into thermoplastics and thermosetting based on
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Which of the following differences regarding thermoplastics and thermo-setts is/are true?
Which of the following differences regarding thermoplastics and thermo-setts is/are true?
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Which of the following plastics is also known as the thermoset polymer?
Which of the following plastics is also known as the thermoset polymer?
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The substance which is heat resistant and can tolerate heat better than other types of plastics is ________.
The substance which is heat resistant and can tolerate heat better than other types of plastics is ________.
scienceGrade-5
