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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.
| 351. |
Outline the process of making woollen clothes. |
| Answer» Outline the process of making woollen clothes. | |
| 352. |
All matter takes up space. What is the name given to the amount of space something takes up? |
| Answer» All matter takes up space. What is the name given to the amount of space something takes up? | |
| 353. |
Identify each of the following as a homogeneous or heterogeneous mixture with a reason:i) Soda waterii) Airiii) Fruit salad |
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Answer» Identify each of the following as a homogeneous or heterogeneous mixture with a reason: i) Soda water ii) Air iii) Fruit salad |
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| 354. |
In knitting ________ set(s) of yarn is used to make a piece of fabric whereas in weaving ______ set(s) of yarn are arranged together to make a fabric. |
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Answer» In knitting ________ set(s) of yarn is used to make a piece of fabric whereas in weaving ______ set(s) of yarn are arranged together to make a fabric. |
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| 355. |
Plastic bottles are commonly made of PET. What does PET stand for? |
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Answer» Plastic bottles are commonly made of PET. What does PET stand for? |
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| 356. |
When we heat water, we find bubbles coming from it. This shows that |
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Answer» When we heat water, we find bubbles coming from it. This shows that |
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| 357. |
When the leaves of the tree rustle or the clothes hanging on a clothesline sway. Pages of an open book start fluttering when the fan is switched on! Did you ever wonder what causes the rustling of leaves or the fluttering of pages?Just a little thinking and observations will tell us the answer. It is air! Yes, air is the reason for all these things.Now let us check how much you know about air.Which of the following is not true about air? |
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Answer» When the leaves of the tree rustle or the clothes hanging on a clothesline sway. Pages of an open book start fluttering when the fan is switched on! Did you ever wonder what causes the rustling of leaves or the fluttering of pages? Just a little thinking and observations will tell us the answer. It is air! Yes, air is the reason for all these things. Now let us check how much you know about air. Which of the following is not true about air?
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| 358. |
The price of the blanket was ₹2644.644. Find the number of significant digits in the one-fourth of the price of the blanket? |
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Answer» The price of the blanket was ₹2644.644. Find the number of significant digits in the one-fourth of the price of the blanket? |
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| 359. |
What are the dispersed phase and dispersed medium of smoke? |
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Answer» What are the dispersed phase and dispersed medium of smoke? |
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| 360. |
Give four examples of natural fibres. [2 MARKS] |
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Answer» Give four examples of natural fibres. [2 MARKS] |
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| 361. |
How should chimneys of factories be very tall? |
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Answer» How should chimneys of factories be very tall? |
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| 362. |
The volume of 1L water upon vaporization at STP is nearly:How can water be vaporized at STP, the temperature at STP is 0 degree Celsius? |
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Answer» The volume of 1L water upon vaporization at STP is nearly: How can water be vaporized at STP, the temperature at STP is 0 degree Celsius? |
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| 363. |
Oxygen is returned to the atmosphere mainly by___ |
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Answer» Oxygen is returned to the atmosphere mainly by |
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| 364. |
Which of the non-metal is used as a refrigerant? |
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Answer» Which of the non-metal is used as a refrigerant? |
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| 365. |
what is van't hoff factor for mohr's salt ? |
| Answer» what is van't hoff factor for mohr's salt ? | |
| 366. |
Define air |
| Answer» Define air | |
| 367. |
Doppler effects |
| Answer» Doppler effects | |
| 368. |
'One way changes are classified is reversible and irreversible'. Explain with examples. |
| Answer» 'One way changes are classified is reversible and irreversible'. Explain with examples. | |
| 369. |
Which apparatus is used to cool the liquid vapours during distillation? |
| Answer» Which apparatus is used to cool the liquid vapours during distillation? | |
| 370. |
What happens when vinegar is mixed with bicarbonate of soda? Can you get vinegar and the bicarbonate back from the resultant mixture? Why? [3 MARKS] |
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Answer» What happens when vinegar is mixed with bicarbonate of soda? Can you get vinegar and the bicarbonate back from the resultant mixture? Why? [3 MARKS] |
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| 371. |
Which of the following material is not made up of glass? |
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Answer» Which of the following material is not made up of glass? |
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| 372. |
I. Write the composition of air.II. How will you show that air is dissolved in water? |
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Answer» I. Write the composition of air. II. How will you show that air is dissolved in water? |
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| 373. |
conditions of conjugation |
| Answer» conditions of conjugation | |
| 374. |
Choose the most suitable adverb for the blank. Sahil ran as _____ as he could to break the news of fire in the godown. |
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Answer» Choose the most suitable adverb for the blank. Sahil ran as _____ as he could to break the news of fire in the godown. |
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| 375. |
Question 13 Some terms related to fabrics are jumbled up and given below. Write them in their correct form. Onttoc Sinnping Vingwea Bisref |
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Answer» Question 13 |
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| 376. |
what is the least count difference between vernier scale and main scale in a vernier calliper? |
| Answer» what is the least count difference between vernier scale and main scale in a vernier calliper? | |
| 377. |
Rohit took with him some nylon ropes when he was going for rock climbing. Can you tell why he selected nylon ropes instead of ropes made of cotton or jute? |
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Answer» Rohit took with him some nylon ropes when he was going for rock climbing. Can you tell why he selected nylon ropes instead of ropes made of cotton or jute? |
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| 378. |
Physical substance which occupies space, has mass and can be felt by human senses are called as ________. |
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Answer» Physical substance which occupies space, has mass and can be felt by human senses are called as ________. |
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| 379. |
Refrigerant 410 A which is used as a substitute for R22 is azeotropic mixture of which of the two refrigerants? |
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Answer» Refrigerant 410 A which is used as a substitute for R22 is azeotropic mixture of which of the two refrigerants? |
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| 380. |
How do you make bubbles? What do you wear on your feet? How do you cross a river? |
Answer»
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| 381. |
Which of the following is/are the property/properties of compounds? |
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Answer» Which of the following is/are the property/properties of compounds? |
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| 382. |
Select the appropriate option that can relate to the process of refining of petroleum. |
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Answer» Select the appropriate option that can relate to the process of refining of petroleum. |
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| 383. |
Place the following statements in a proper order to form a meaningful paragraph. (a)Which in turn decreases the seepage of rainwater into the ground. (b) This decreases the open areas like park, and playgrounds. (c) Increasing population create demand for construction of houses, shops, offices, roads and pavements. (d) This results in depletion of water table and creates scarcity of more water. |
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Answer» Place the following statements in a proper order to form a meaningful paragraph. (a)Which in turn decreases the seepage of rainwater into the ground. (b) This decreases the open areas like park, and playgrounds. (c) Increasing population create demand for construction of houses, shops, offices, roads and pavements. (d) This results in depletion of water table and creates scarcity of more water. |
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| 384. |
Question 4(i) Name a metal that is soft and can be cut with a knife.(ii) Name a non-metal that is the hardest substance. |
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Answer» Question 4 (i) Name a metal that is soft and can be cut with a knife. (ii) Name a non-metal that is the hardest substance. |
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| 385. |
Define reversible and irreversible change. |
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Answer» Define reversible and irreversible change. |
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| 386. |
Do you like to have a bath? Say why. Can you bathe yourself? How do you dry yourself? Have you seen an animal drying itself? |
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| 387. |
Which of the following will not be soluble in NaHCO3 |
| Answer» Which of the following will not be soluble in NaHCO3 | |
| 388. |
___ is popularly known as the cooking gas and causes minimal pollution. |
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Answer» |
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| 389. |
The making of fabric from yarn using a long needle by hands is known as _____. |
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Answer» The making of fabric from yarn using a long needle by hands is known as _____. |
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| 390. |
The fleece of the sheep is removed from its body. This is called as |
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Answer» The fleece of the sheep is removed from its body. This is called as |
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| 391. |
Give two examples for each of the following types of mixtures. (a) solid-solid homogeneous mixture(b) solid-liquid homogeneous mixture(c) liquid-liquid homogeneous mixture(d) liquid-gas homogeneous mixture |
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Answer» Give two examples for each of the following types of mixtures. (a) solid-solid homogeneous mixture |
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| 392. |
Why do graphite inspite of being a non-metal and electronrgative in nature is able to conduct electricity? |
| Answer» Why do graphite inspite of being a non-metal and electronrgative in nature is able to conduct electricity? | |
| 393. |
44.What is the effect of temperature and pressure on melting and boiling point? |
| Answer» 44.What is the effect of temperature and pressure on melting and boiling point? | |
| 394. |
How are elements classified? |
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Answer» How are elements classified? |
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| 395. |
Oil can be separated from water using ___. |
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Answer» Oil can be separated from water using |
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| 396. |
Question 3 (c) Which of the following statement is “true”? The process of water changing into its vapour is called evaporation. |
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Answer» Question 3 (c) Which of the following statement is “true”? |
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| 397. |
On heating a metal it contracts while on cooling it expands. |
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Answer» On heating a metal it contracts while on cooling it expands. |
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| 398. |
Name the products produced in the Millar-Urey experiment . Arrange them according to their Characteristics. |
| Answer» Name the products produced in the Millar-Urey experiment . Arrange them according to their Characteristics. | |
| 399. |
How many litre of oxygen at STP is required to burn 60gm C2H6 |
| Answer» How many litre of oxygen at STP is required to burn 60gm C2H6 | |
| 400. |
Identify the substance that can undergo sublimation. |
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Answer» Identify the substance that can undergo sublimation. |
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