science
Grade-5
Easy
Question
Steel is an alloy of
- Iron and copper
- Silver and copper
- Iron and zinc
- Iron and carbon
Hint:
Steel is an alloy of iron to better its durability for multiple uses.
The correct answer is: Iron and carbon
- Fundamentally, steel is an iron alloy with little carbon added.
- There are countless varieties of steel that are made to fit a variety of applications.
Related Questions to study
science
Match the following:
| a. Iron oxide | 1. Silver and copper |
| b. Sterling silver | 2. Rust |
| c. Steel | 3. Copper and tin |
| d. Bronze | 4. Iron and carbon |
Match the following:
| a. Iron oxide | 1. Silver and copper |
| b. Sterling silver | 2. Rust |
| c. Steel | 3. Copper and tin |
| d. Bronze | 4. Iron and carbon |
scienceGrade-5
science
A compound results from the chemical combination of
| A – Two or more atoms only |
| B – Two or more non-metals only |
| C – Two or more metals only |
| D – Two or more atoms and non-metals |
A compound results from the chemical combination of
| A – Two or more atoms only |
| B – Two or more non-metals only |
| C – Two or more metals only |
| D – Two or more atoms and non-metals |
scienceGrade-5
science
What helps corrosion?
What helps corrosion?
scienceGrade-5
science
Pick the odd one out
Pick the odd one out
scienceGrade-5
science
Direction
Choose the correct option from the sentences below.
Statement A: Rust is iron oxide, silver tarnish is silver sulfide, and copper tarnish is copper oxide.
Statement B: Corrosion is the gradual “eating away” of a metal.
Direction
Choose the correct option from the sentences below.
Statement A: Rust is iron oxide, silver tarnish is silver sulfide, and copper tarnish is copper oxide.
Statement B: Corrosion is the gradual “eating away” of a metal.
scienceGrade-5
science
Identify a compound from the following:
Identify a compound from the following:
scienceGrade-5
science
Silver tarnish is
Silver tarnish is
scienceGrade-5
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Rust is
Rust is
scienceGrade-5
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During the process of corrosion
During the process of corrosion
scienceGrade-5
science
Corrosion ________ metals.
Corrosion ________ metals.
scienceGrade-5
science
Jewelry and other objects made with these as pure metals would not be worn very well.
Jewelry and other objects made with these as pure metals would not be worn very well.
scienceGrade-5
science
scienceGrade-5
science
What does malleable mean?
What does malleable mean?
scienceGrade-5
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Complete the following analogy.
Plastics used for storing soft drinks: PET :: Plastic on which oil and water do not stick: _______
Plastics used for storing soft drinks: PET :: Plastic on which oil and water do not stick: _______
Complete the following analogy.
Plastics used for storing soft drinks: PET :: Plastic on which oil and water do not stick: _______
Plastics used for storing soft drinks: PET :: Plastic on which oil and water do not stick: _______
scienceGrade-5
science
Which of the following applications of plastics show(s) that plastics are bad conductors of electricity?
I. Chemicals are stored in plastic containers.
II. Umbrellas are made from plastics.
III. Electric wires have a plastic coating.
iv. Refrigerators have insulating wool of plastics
I. Chemicals are stored in plastic containers.
II. Umbrellas are made from plastics.
III. Electric wires have a plastic coating.
iv. Refrigerators have insulating wool of plastics
Which of the following applications of plastics show(s) that plastics are bad conductors of electricity?
I. Chemicals are stored in plastic containers.
II. Umbrellas are made from plastics.
III. Electric wires have a plastic coating.
iv. Refrigerators have insulating wool of plastics
I. Chemicals are stored in plastic containers.
II. Umbrellas are made from plastics.
III. Electric wires have a plastic coating.
iv. Refrigerators have insulating wool of plastics
scienceGrade-5
