science
Grade-5
Easy
Question
Heating and cooling of the thermoplastics ______ the chemical nature.
- Change
- Change slightly
- May be change
- Do not change
Hint:
ThermoPlastics can endure high temperatures without burning or reacting.
The correct answer is: Do not change
- Heating and cooling of thermoplastics is done to mould them into shapes.
- It does not change the chemical composition of thermoplastics.
Related Questions to study
science
The polyvinyl chloride plastics are generally _______ in water.
The polyvinyl chloride plastics are generally _______ in water.
scienceGrade-5
science
Plastics are divided into thermoplastics and thermosetting based on
Plastics are divided into thermoplastics and thermosetting based on
scienceGrade-5
science
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?
scienceGrade-5
science
Which of the following plastics is also known as the thermoset polymer?
Which of the following plastics is also known as the thermoset polymer?
scienceGrade-5
science
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
science
What is the full form of PVC?
What is the full form of PVC?
scienceGrade-5
science
Which of the following is a property of thermoplastics?
Which of the following is a property of thermoplastics?
scienceGrade-5
science
Which of the following picture does not depict the uses of the polyvinyl chloride (PVC)
Which of the following picture does not depict the uses of the polyvinyl chloride (PVC)
scienceGrade-5
science
Which of the following types of plastics have ethene as their monomer unit?
Which of the following types of plastics have ethene as their monomer unit?
scienceGrade-5
science
Plastic containers are very popular for storing food materials because
Plastic containers are very popular for storing food materials because
scienceGrade-5
science
What does malleable mean?
What does malleable mean?
scienceGrade-5
English-2
Direction: Find out whether the underlined prepositional phrase are adjectival or adverbial.
Martha looked at her brother in anger.
Direction: Find out whether the underlined prepositional phrase are adjectival or adverbial.
Martha looked at her brother in anger.
English-2Grade-5
English-2
Direction: Find out whether the underlined prepositional phrase are adjectival or adverbial.
I have not seen him in a long time.
Direction: Find out whether the underlined prepositional phrase are adjectival or adverbial.
I have not seen him in a long time.
English-2Grade-5
English-2
Direction: Find out whether the underlined prepositional phrase are adjectival or adverbial.
They asked me for some money
Direction: Find out whether the underlined prepositional phrase are adjectival or adverbial.
They asked me for some money
English-2Grade-5
English-2
Direction: Find out whether the underlined prepositional phrase are adjectival or adverbial.
We climbed up the ladder.
Direction: Find out whether the underlined prepositional phrase are adjectival or adverbial.
We climbed up the ladder.
English-2Grade-5
