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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.
| 1951. |
Give uses of cotton and jute |
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Answer» Give uses of cotton and jute |
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| 1952. |
Which of the following are homogeneous in nature? |
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Answer» Which of the following are homogeneous in nature? |
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| 1953. |
a. What are the processes involved in the formation of clouds?b. What is the loss of water from plants into air known as?c. Name the part of the plant from where this loss of water takes place usually. |
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Answer» a. What are the processes involved in the formation of clouds? b. What is the loss of water from plants into air known as? c. Name the part of the plant from where this loss of water takes place usually. |
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| 1954. |
What do you mean by fibre? |
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Answer» What do you mean by fibre? |
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| 1955. |
List any two characteristics of drinking water. Why is the water obtained from oceans and seas unfit for drinking purposes? [3 MARKS] |
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Answer» List any two characteristics of drinking water. Why is the water obtained from oceans and seas unfit for drinking purposes? [3 MARKS] |
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| 1956. |
Which process is used to separate a dissolved solid from a solid-liquid solution? |
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Answer» Which process is used to separate a dissolved solid from a solid-liquid solution? |
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| 1957. |
Differentiate between Natural and man-made change. |
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Answer» Differentiate between Natural and man-made change. |
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| 1958. |
Explain the procedure for making jute and cotton fibres. Mention the climatic conditions necessary for both plants. [5 MARKS] |
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Answer» Explain the procedure for making jute and cotton fibres. Mention the climatic conditions necessary for both plants. [5 MARKS] |
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| 1959. |
Name one solid, one liquid and one gas that are soluble in water. |
| Answer» Name one solid, one liquid and one gas that are soluble in water. | |
| 1960. |
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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| 1961. |
what state of matter is fire |
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Answer» what state of matter is fire |
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| 1962. |
Most chemical changes cannot be easily reversed. Such changes are called ___________changes. |
| Answer» Most chemical changes cannot be easily reversed. Such changes are called ___________changes. | |
| 1963. |
Which of the following devices are used to make yarn from fibres? |
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Answer» Which of the following devices are used to make yarn from fibres? |
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| 1964. |
1000 g of sucrose solution in water is cooled to -3.534 C. What mass of ice would be separated out at this temperature? K freezing water =1.86 K mol g |
| Answer» 1000 g of sucrose solution in water is cooled to -3.534 C. What mass of ice would be separated out at this temperature? K freezing water =1.86 K mol g | |
| 1965. |
If 1 gram of Sulphur Dioxide contains x molecules, how many molecules will be present in 1 gram of Oxygen ? |
| Answer» If 1 gram of Sulphur Dioxide contains x molecules, how many molecules will be present in 1 gram of Oxygen ? | |
| 1966. |
What is the need for separation of materials? [1 MARK] |
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Answer» What is the need for separation of materials? [1 MARK] |
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| 1967. |
36.Level of contamination of CHCl3 in water is 15 ppm then prove that molality of CHCl3 is 0.000125 m. |
| Answer» 36.Level of contamination of CHCl3 in water is 15 ppm then prove that molality of CHCl3 is 0.000125 m. | |
| 1968. |
Question 2 (b)What is the physical state of water at:b.100∘C ? |
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Answer» Question 2 (b) What is the physical state of water at: b.100∘C ? |
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| 1969. |
What is a mixture ? How do you separate mixture of sand and water? |
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Answer» What is a mixture ? How do you separate mixture of sand and water? |
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| 1970. |
Boiling silkworms alive to get silk is just one example of cruelty that we show towards animals.Can you give two more examples? Are humans justified in doing so? |
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Answer» Boiling silkworms alive to get silk is just one example of cruelty that we show towards animals. Can you give two more examples? Are humans justified in doing so? |
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| 1971. |
Give an example which shows both physical and chemical changes |
| Answer» Give an example which shows both physical and chemical changes | |
| 1972. |
What is the differentiation of e^-alpha*t |
| Answer» What is the differentiation of e^-alpha*t | |
| 1973. |
What is lustre? |
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Answer» What is lustre? |
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| 1974. |
A mixture of iodine and sand can be separated by the process of ___. |
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Answer» A mixture of iodine and sand can be separated by the process of |
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| 1975. |
Which of the following activity helps in reducing wastage of water? |
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Answer» Which of the following activity helps in reducing wastage of water? |
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| 1976. |
What is matter? Give two examples of things that are matter and two that are not. |
| Answer» What is matter? Give two examples of things that are matter and two that are not. | |
| 1977. |
Plants use ___ to prepare ___. |
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Answer» Plants use |
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| 1978. |
What do you observe when carbon dioxide gas is passed through lime water? |
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Answer» What do you observe when carbon dioxide gas is passed through lime water? |
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| 1979. |
Describe physical and chemical changes with examples. [3 MARKS] |
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Answer» Describe physical and chemical changes with examples. [3 MARKS] |
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| 1980. |
Why do you think Aunt Jennifer’s hands are ‘fluttering through her wool’ in the second stanza? Why is she finding the needle so hard to pull? |
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Answer» Why do you think Aunt Jennifer’s hands are ‘fluttering through her wool’ in the second stanza? Why is she finding the needle so hard to pull? |
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| 1981. |
Observe the Venn diagram given below. Which of the following process could be 'X'? Note:- X possess the properties of both the changes. |
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Answer» Observe the Venn diagram given below.
Which of the following process could be 'X'? Note:- X possess the properties of both the changes. |
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| 1982. |
In a coffee machine, the ground coffee beans are separated from the coffee solution by using a/an ______. |
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Answer» In a coffee machine, the ground coffee beans are separated from the coffee solution by using a/an ______. |
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| 1983. |
Question 3 (b) Which of the following statement is “true”? Water evaporates into air from oceans, rivers, lakes but not form the soil. |
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Answer» Question 3 (b) Which of the following statement is “true”? Water evaporates into air from oceans, rivers, lakes but not form the soil. |
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| 1984. |
From which parts of the plant cotton and jute are obtained? |
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Answer» From which parts of the plant cotton and jute are obtained? |
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| 1985. |
Question 5What is Glass made up of? |
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Answer» Question 5 What is Glass made up of? |
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| 1986. |
You are provided with a mixture of ammonium chloride and sodium chloride. Describe the technique you would use to separate these constituents from the mixture. |
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Answer» You are provided with a mixture of ammonium chloride and sodium chloride. Describe the technique you would use to separate these constituents from the mixture. |
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| 1987. |
Symbols for metals and non metals |
| Answer» Symbols for metals and non metals | |
| 1988. |
Applying pressure and reducing temperature can lead to: |
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Answer» Applying pressure and reducing temperature can lead to: |
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| 1989. |
What is petroleum refining? |
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Answer» What is petroleum refining? |
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| 1990. |
A bunch of nails made of iron, gold, and carbon having the same colour is present in a sack of sand. Identify the method to pick out iron nails. |
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Answer» A bunch of nails made of iron, gold, and carbon having the same colour is present in a sack of sand. Identify the method to pick out iron nails. |
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| 1991. |
13 The maximum number of electrons is 32 in n=4 and it is also that maximum number of electrons is 8 what is the reason explain correctly |
| Answer» 13 The maximum number of electrons is 32 in n=4 and it is also that maximum number of electrons is 8 what is the reason explain correctly | |
| 1992. |
After knowing the plant fibre with the help of a coconut, he asked his mother one question. 'Which of the following are considered as synthetic fibre'? |
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Answer» After knowing the plant fibre with the help of a coconut, he asked his mother one question. 'Which of the following are considered as synthetic fibre'? |
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| 1993. |
__ is the international organization which approves the names of elements. (Write only the abbreviation) |
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Answer» |
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| 1994. |
what is rheostat |
| Answer» what is rheostat | |
| 1995. |
Among all the given options which of the following is the softest? |
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Answer» Among all the given options which of the following is the softest? |
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| 1996. |
35. Properties of non stick cookware |
| Answer» 35. Properties of non stick cookware | |
| 1997. |
बालक से उसकी उम्र और योग्यता से ऊपर के कौन-कौन से प्रश्न पूछे गए? |
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Answer» बालक से उसकी उम्र और योग्यता से ऊपर के कौन-कौन से प्रश्न पूछे गए? |
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| 1998. |
Explain the following with an example:Different plants need different quantity of water to grow. |
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Answer» Explain the following with an example: Different plants need different quantity of water to grow. |
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| 1999. |
What are biotic and abiotic factors of ecosystem? |
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Answer» What are biotic and abiotic factors of ecosystem? |
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| 2000. |
When do we call a solution as saturated? |
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Answer» When do we call a solution as saturated? |
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