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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.
| 501. |
What is rainwater harvesting? |
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Answer» What is rainwater harvesting? |
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| 502. |
What would happen when lemon juice mixed with baking powder |
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Answer» What would happen when lemon juice mixed with baking powder |
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| 503. |
We should save, reuse and recycle paper to save trees, energy and water. Justify. [2 MARKS] |
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Answer» We should save, reuse and recycle paper to save trees, energy and water. Justify. |
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| 504. |
Do all aquatic animals breathe oxygen dissolved in water? |
| Answer» Do all aquatic animals breathe oxygen dissolved in water? | |
| 505. |
Write a method that can be used for separating a mixture of sand and salt. |
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Answer» Write a method that can be used for separating a mixture of sand and salt. |
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| 506. |
Identify the method by which chalk and water or even clay and water can be separated. |
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Answer» Identify the method by which chalk and water or even clay and water can be separated. |
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| 507. |
Name the three states of matter. In what ways are they different from each other? |
| Answer» Name the three states of matter. In what ways are they different from each other? | |
| 508. |
Difference in size of particles is used to separate them, by the process of |
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Answer» Difference in size of particles is used to separate them, by the process of |
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| 509. |
Is mirror transparent |
| Answer» Is mirror transparent | |
| 510. |
Statement I:Breathing through mouth is not recommended. Statement II: It is because mouth doesn't have any filter mechanism like nostrils to filter dust from air while breathing. |
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Answer» Statement I:Breathing through mouth is not recommended. Statement II: It is because mouth doesn't have any filter mechanism like nostrils to filter dust from air while breathing. |
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| 511. |
If Iron (Fe) is monoatomic then which of the following is/are correct? |
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Answer» If Iron (Fe) is monoatomic then which of the following is/are correct? |
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| 512. |
400g solution having 20% (w/w) solute is cooled then 50 g solute precipitated.The %(w/w) of solute in remaining solution is |
| Answer» 400g solution having 20% (w/w) solute is cooled then 50 g solute precipitated.The %(w/w) of solute in remaining solution is | |
| 513. |
Why is it advised to not sleep under a tree at night? |
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Answer» Why is it advised to not sleep under a tree at night? |
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| 514. |
molar heat capacity of water in equilibrium with ice at constant pressure is |
| Answer» molar heat capacity of water in equilibrium with ice at constant pressure is | |
| 515. |
Why are body armours which were commonly used by soldiers in the olden days not used nowadays? |
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Answer» Why are body armours which were commonly used by soldiers in the olden days not used nowadays? |
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| 516. |
Full explanation of voids,types of voids |
| Answer» Full explanation of voids,types of voids | |
| 517. |
Consider a gas of triatomic molecules. The molecules are assumed to be triangular and made of massless rigid rods whose vertices are occupied by atoms. The internal energy of a mole of the gas at temperature T is- |
Answer»  Consider a gas of triatomic molecules. The molecules are assumed to be triangular and made of massless rigid rods whose vertices are occupied by atoms. The internal energy of a mole of the gas at temperature T is- |
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| 518. |
Oil can be separated from water by: |
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Answer» Oil can be separated from water by: |
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| 519. |
Why is water important for the survival? |
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Answer» Why is water important for the survival? |
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| 520. |
Transpiration occurs from which part of the tree? |
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Answer» Transpiration occurs from which part of the tree? |
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| 521. |
Differentiate between man-made and natural changes. |
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Answer» Differentiate between man-made and natural changes. |
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| 522. |
why cannot heat qnd tempertaure be treated synonymously?What is the diference between the two exactly and how are they interrelated? |
| Answer» why cannot heat qnd tempertaure be treated synonymously?What is the diference between the two exactly and how are they interrelated? | |
| 523. |
Which of the following process gives salt from seawater? |
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Answer» Which of the following process gives salt from seawater? |
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| 524. |
Statement 1: Mangoes can be plucked from the trees but the grain seeds of plants like maize cannot be plucked from their stalks. Statement 2: Grain seeds of maize are very much bigger in size as compared to their stalks. |
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Answer» Statement 1: Mangoes can be plucked from the trees but the grain seeds of plants like maize cannot be plucked from their stalks. Statement 2: Grain seeds of maize are very much bigger in size as compared to their stalks. |
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| 525. |
Question 1:What are the differences between reversible changes and irreversible changes? |
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Answer» Question 1: What are the differences between reversible changes and irreversible changes? |
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| 526. |
What are the most common types of fire extinguishers? |
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Answer» What are the most common types of fire extinguishers? |
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| 527. |
Which of the following is more stable?=> Polyhydric Alcohol OR Monohydric Alcohol |
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Answer» Which of the following is more stable? => Polyhydric Alcohol OR Monohydric Alcohol |
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| 528. |
What is the difference between miscible and immiscible liquids? Give one example of each. |
| Answer» What is the difference between miscible and immiscible liquids? Give one example of each. | |
| 529. |
What is Dark matter,anti matter, and black hole |
| Answer» What is Dark matter,anti matter, and black hole | |
| 530. |
8. What is nitrene? Where it is used? |
| Answer» 8. What is nitrene? Where it is used? | |
| 531. |
the percentage of ethyl alcohol by weight is 46% in a mixture of ethanol and water.The mole fraction of alcohol in this solution is |
| Answer» the percentage of ethyl alcohol by weight is 46% in a mixture of ethanol and water.The mole fraction of alcohol in this solution is | |
| 532. |
calculate the amount of heat required to convert 100g of ice at -20degree celcius into stea |
| Answer» calculate the amount of heat required to convert 100g of ice at -20degree celcius into stea | |
| 533. |
Question 3Name the method that can be used for separating the following mixture:(i) Sand and husk(ii) Wheat, sugar and stalk(iii) Water and petrol(iv) Rice and salt(v) Sand and salt |
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Answer» Question 3 (ii) Wheat, sugar and stalk (iii) Water and petrol (iv) Rice and salt (v) Sand and salt |
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| 534. |
Which of the following are provided by soil to plants? |
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Answer» Which of the following are provided by soil to plants? |
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| 535. |
Chemically, charcoal is: |
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Answer» Chemically, charcoal is: |
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| 536. |
The components of loamy soil are _____, _____ and ______. |
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Answer» The components of loamy soil are _____, _____ and ______. |
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| 537. |
Question 18.2 Write just a few sentences for an imaginary situation if any of the following gases disappear from the atmosphere Nitrogen |
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Answer» Question 18.2 Write just a few sentences for an imaginary situation if any of Nitrogen |
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| 538. |
Which of the following contribute to the water vapour content in the atmosphere? |
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Answer» Which of the following contribute to the water vapour content in the atmosphere? |
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| 539. |
The process of removing fleece from the sheep's body is known as ________. |
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Answer» The process of removing fleece from the sheep's body is known as ________. |
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| 540. |
Fabrics are made from yarns. What are yarns make up of? |
| Answer» Fabrics are made from yarns. What are yarns make up of? | |
| 541. |
Describe how a hydropower plant produces electricity. Draw a schematic diagram of the plant. Mention the different energy conversions happening in a hydroelectric power plant. |
| Answer» Describe how a hydropower plant produces electricity. Draw a schematic diagram of the plant. Mention the different energy conversions happening in a hydroelectric power plant. | |
| 542. |
Why is ammonia not collected over water? |
| Answer» Why is ammonia not collected over water? | |
| 543. |
Which is the correct sequence of the air passage in man? |
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Answer» Which is the correct sequence of the air passage in man? |
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| 544. |
potassium ferrocyanide on reacting with copper sulphate yeilds a brown precipitate . the precipitate is? |
| Answer» potassium ferrocyanide on reacting with copper sulphate yeilds a brown precipitate . the precipitate is? | |
| 545. |
Chair, table, bullock cart and its wheels are made of: |
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Answer» Chair, table, bullock cart and its wheels are made of: |
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| 546. |
what is difference between duplication and replication ? |
| Answer» what is difference between duplication and replication ? | |
| 547. |
ntAs observed from the top of the light house of height h m the angles of depression of two ships approaching it are alpha and beta .if one ship is coming from west and other from south ,find the distance between the shipsn |
| Answer» ntAs observed from the top of the light house of height h m the angles of depression of two ships approaching it are alpha and beta .if one ship is coming from west and other from south ,find the distance between the shipsn | |
| 548. |
Intermixing of particles of two different types of matter is called as ______. |
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Answer» Intermixing of particles of two different types of matter is called as ______. |
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| 549. |
Question 11The term “water-pollution” can be defined in several ways. Which of the following statements does not give the correct definition?(a) The addition of undesirable substances to water-bodies(b) The removal of desirable substances from water-bodies(c) A change in pressure of the water bodies(d) A change in temperature of the water bodies |
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Answer» Question 11 |
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| 550. |
Question 1 Which of the following activities does not involve use of water? (a) Washing clothes (b) Bathing (c) Cleaning utensils (d) Drying wet clothes |
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Answer» Question 1 Which of the following activities does not involve use of water? (a) Washing clothes (b) Bathing (c) Cleaning utensils (d) Drying wet clothes |
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