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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1701. |
Copper sulphate solution reacts with iron metal to form copper metal. This is a ______________. |
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Answer» Copper sulphate solution reacts with iron metal to form copper metal. This is a ______________. |
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| 1702. |
Question 1Which of the following is not a metal?(a) copper(b) sulphur(c) aluminium(d) iron |
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Answer» Question 1 Which of the following is not a metal? (a) copper (b) sulphur (c) aluminium (d) iron |
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| 1703. |
What is the relationship between temperature and conductivity of a substance and what is the reason behind it? |
| Answer» What is the relationship between temperature and conductivity of a substance and what is the reason behind it? | |
| 1704. |
Which gas is produced by the incomplete combustion of carbon fuels like wood, coal, petroleum? |
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Answer» Which gas is produced by the incomplete combustion of carbon fuels like wood, coal, petroleum? |
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| 1705. |
What is the difference between precipitation and double displacement reactions? |
| Answer» What is the difference between precipitation and double displacement reactions? | |
| 1706. |
Are there substances which do not change their state even when they are heated with extreme temperatures? |
| Answer» Are there substances which do not change their state even when they are heated with extreme temperatures? | |
| 1707. |
13. What are the three types of chemical equation? |
| Answer» 13. What are the three types of chemical equation? | |
| 1708. |
The pressure exerted by the gas against the container wall is because of: |
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Answer» The pressure exerted by the gas against the container wall is because of: |
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| 1709. |
Which zone of a flame does a goldsmith use for melting gold and silver and why? |
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Answer» Which zone of a flame does a goldsmith use for melting gold and silver and why? |
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| 1710. |
19 What is thermosetting polymers |
| Answer» 19 What is thermosetting polymers | |
| 1711. |
How are ionic compound different from electrolytes? |
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Answer» How are ionic compound different from electrolytes? |
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| 1712. |
A slab consists of two parallel layers of two different materials of same thickness having thermal conductivities k1 and k2. The equivalent conductivity of the combination is |
| Answer» A slab consists of two parallel layers of two different materials of same thickness having thermal conductivities k1 and k2. The equivalent conductivity of the combination is | |
| 1713. |
Metals react by : |
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Answer» Metals react by : |
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| 1714. |
What would you observe when you put some zinc pieces into blue copper sulphate solution? [1 MARK] |
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Answer» What would you observe when you put some zinc pieces into blue copper sulphate solution? [1 MARK] |
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| 1715. |
Oxidation state of nitrogen in nitrogen peroxide |
| Answer» Oxidation state of nitrogen in nitrogen peroxide | |
| 1716. |
If the pressure of a gas contained in a closed vessel is increased by 0.4% when heated by 1 , then it's initial temperature must be ? |
| Answer» If the pressure of a gas contained in a closed vessel is increased by 0.4% when heated by 1 , then it's initial temperature must be ? | |
| 1717. |
Why are fossil fuels non-renewable? |
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Answer» Why are fossil fuels non-renewable? |
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| 1718. |
What among the following are the properties of liquids? |
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Answer» What among the following are the properties of liquids? |
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| 1719. |
how much heat will be released on mixing 400cm^3 M HNO3 solution with 250cm^3 0.15M Ba(OH)2 solution |
| Answer» how much heat will be released on mixing 400cm^3 M HNO3 solution with 250cm^3 0.15M Ba(OH)2 solution | |
| 1720. |
Unlike any other compound in our known universe, _________ molecule expands in volume instead of compacting after reaching freezing point. |
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Answer» Unlike any other compound in our known universe, _________ molecule expands in volume instead of compacting after reaching freezing point. |
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| 1721. |
The ratio of hydrogen atoms present in one molecule each of methane and ammonia is: |
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Answer» The ratio of hydrogen atoms present in one molecule each of methane and ammonia is: |
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| 1722. |
Non-metals react by : |
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Answer» Non-metals react by : |
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| 1723. |
why volume of 1 mole is always 22.4Lif we take differnt gases then their size of atoms are varry hence volume of 1 mole always be to very |
| Answer» why volume of 1 mole is always 22.4Lif we take differnt gases then their size of atoms are varry hence volume of 1 mole always be to very | |
| 1724. |
what is rapid and spon†an eous combustion//// |
| Answer» what is rapid and spon†an eous combustion//// | |
| 1725. |
A change that occurs naturally is known as ‘natural change’. Whereas, a change that is caused due to the interference of a man is known as ‘man-made change’. Give two examples of a natural change. Give two examples of a man-made change. |
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Answer» A change that occurs naturally is known as ‘natural change’. Whereas, a change that is caused due to the interference of a man is known as ‘man-made change’.
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| 1726. |
13 Is a word equation a type of chemical equation |
| Answer» 13 Is a word equation a type of chemical equation | |
| 1727. |
The shipment of waste from country to another country is called:- |
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Answer» The shipment of waste from country to another country is called:- |
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| 1728. |
Which of the following disease cannot be caused by drinking of river water contaminated with untreated sewage? (a) cholera (b) typhoid (c) tuberculosis (d) diarrhoea |
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Answer» Which of the following disease cannot be caused by drinking of river water contaminated with untreated sewage? (a) cholera (b) typhoid (c) tuberculosis (d) diarrhoea |
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| 1729. |
_________ increases with the increase in H+ ions. |
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Answer» _________ increases with the increase in H+ ions. |
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| 1730. |
What do you mean by corrosion? Name the factors that affect corrosion. |
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Answer» What do you mean by corrosion? Name the factors that affect corrosion. |
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| 1731. |
Which of the following is not a property of pure water? |
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Answer» Which of the following is not a property of pure water? |
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| 1732. |
how to find valency of an element in a compoun |
| Answer» how to find valency of an element in a compoun | |
| 1733. |
Identify the process 'X', from the below image. |
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Answer» Identify the process 'X', from the below image. |
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| 1734. |
State the difference between spontaneous and rapid combustion |
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Answer» State the difference between spontaneous and rapid combustion |
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| 1735. |
The non-stick coating on frying pans is that of a plastic called : (a) polyvinyl chloride (b) melamine (c) bakelite (d) teflon |
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Answer» The non-stick coating on frying pans is that of a plastic called : (a) polyvinyl chloride (b) melamine (c) bakelite (d) teflon |
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| 1736. |
Carbon monoxide when inhaled binds to the hemoglobin in the blood and forms a compound called |
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Answer» Carbon monoxide when inhaled binds to the hemoglobin in the blood and forms a compound called |
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| 1737. |
When coal is burnt in the presence of air, gas 'X' is released. Identify the gas 'X'. |
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Answer» When coal is burnt in the presence of air, gas 'X' is released. Identify the gas 'X'. |
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| 1738. |
How is oxygen made and stored artificial ly |
| Answer» How is oxygen made and stored artificial ly | |
| 1739. |
Cu is added with Zn to form brass. Which of the following statement is false? |
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Answer» Cu is added with Zn to form brass. Which of the following statement is false? |
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| 1740. |
Question 9. Is cloud formation a physical change or a chemical change? Explain. What kind of change is shown by tearing of paper? Why is the souring of milk a physical change or a chemical change? |
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Answer» Question 9.
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| 1741. |
When iron reacts with magnesium what compound we get |
| Answer» When iron reacts with magnesium what compound we get | |
| 1742. |
State the differences.a. Acids and basesb. Cation and anionc. Negative electrode and positive electrode. |
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Answer» State the differences. a. Acids and bases b. Cation and anion c. Negative electrode and positive electrode.
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| 1743. |
What is the melting point of water in Celsius? |
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Answer» What is the melting point of water in Celsius? |
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| 1744. |
8. 50 ml of a gaseous mixture of CO and CH4 was exploded with 85 ml of O2. the volume of CO2 produced was 50 ml. calculate percentage composition of gaseous mixture, if all volumes are measured under same conditions and the given volume of O2 is just sufficient for combustion of 50 ml of mixture of CO and CH4. |
| Answer» 8. 50 ml of a gaseous mixture of CO and CH4 was exploded with 85 ml of O2. the volume of CO2 produced was 50 ml. calculate percentage composition of gaseous mixture, if all volumes are measured under same conditions and the given volume of O2 is just sufficient for combustion of 50 ml of mixture of CO and CH4. | |
| 1745. |
Calculate the amount of heat energy required to convert 1 kg of ice into water at melting point. |
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Answer» Calculate the amount of heat energy required to convert 1 kg of ice into water at melting point. |
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| 1746. |
What is roasting ? |
| Answer» What is roasting ? | |
| 1747. |
write the lewis formula of manganese dioxide(MnO2). |
| Answer» write the lewis formula of manganese dioxide(MnO2). | |
| 1748. |
How to write reaction of zinc and sulphuric acid |
| Answer» How to write reaction of zinc and sulphuric acid | |
| 1749. |
An atom with atomic number 20 is most likely to combine chemically with the atom whose atomic mumber is a.1 b.11 c.17 d.1 |
| Answer» An atom with atomic number 20 is most likely to combine chemically with the atom whose atomic mumber is a.1 b.11 c.17 d.1 | |
| 1750. |
Define interatomic and interionic force of attraction? |
| Answer» Define interatomic and interionic force of attraction? | |
