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Chapter 1: Chemical Reactions and Equations
34 questions
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Chapter 2: Acid,Bases and Salts
39 questions
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Chapter 3: Metals and Non-metals
38 questions
Q1
An element reacts with oxygen to give a compound which is basic in nature. This compound is also soluble in water. The element is likely to be:
Q2
What are alloys ?
Q3
Which gas is produced when dilute hydrochloric acid is added to a reactive metal? Write the chemical reaction when iron reacts with dilute
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Chapter 4: Carbon and its Compound
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Chapter 5: Periodic Classification of Elements
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Chapter 6: Life Processes
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Chapter 7: Control and Coordination
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Chapter 8: How do Organism Reproduce?
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Chapter 9: Heredity and Evolution
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Chapter 10: Light -Reflection and Refraction
34 questions
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Chapter 11: The Human Eye and Colourful World
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Chapter 12: Electricity
49 questions
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Chapter 13: Magnetic Effects of Electric Current
39 questions
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Chapter 14: Sources of Energy
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Chapter 15: Our Environment
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Chapter 16: Sustainable Management of Natural Resources
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Alloys are homogeneous mixtures of two or more elements. The elements could be two metals, or a metal and a non-metal. An alloy is formed by first melting the metal and then dissolving the other elements in it. For example, steel is an alloy of iron and carbon.
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Practice more questions from Science (NCERT)
Q1
An element reacts with oxygen to give a compound which is basic in nature. This compound is also soluble in water. The element is likely to be:
Q2
What are alloys ?
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Which gas is produced when dilute hydrochloric acid is added to a reactive metal? Write the chemical reaction when iron reacts with dilute
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(a) What are Metals and Non-metals? Name five Metals and Non-metals.
(b) Name a metal which is so soft that it can be cut with a knife.
(c) Name the metal which is the best conductor of heat and electricity.
(d) What happens when a metal reacts with dilute hydrochloric acid? Explain with the help of an example.
(e) Write the equations for the reaction of:
(i) Magnesium with dilute hydrochloric acid
(ii) Aluminium with dilute hydrochloric acid
(iii) Zinc with dilute hydrochloric acid
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Name the products formed in each case. Also indicate the physical states of all the substances involved.
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| Question Text | What are alloys ? |
| Topic | Metals and Non-metals |
| Subject | Science |
| Class | Class 10 |
| Answer Type | Text solution:1 |
| Upvotes | 118 |
