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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.
| 4401. |
Which among the following options correctly represents the percolation rate for a sample of soil? |
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Answer» Which among the following options correctly represents the percolation rate for a sample of soil? |
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| 4402. |
Question 25 "Forests are our lifeline". Write five sentences on this topic. |
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Answer» Question 25 "Forests are our lifeline". Write five sentences on this topic. |
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| 4403. |
Identify the factors that cause or is responsible for dental cavity. |
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Answer» Identify the factors that cause or is responsible for dental cavity. |
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| 4404. |
The temporary hardness of water is due to the presence of: |
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Answer» The temporary hardness of water is due to the presence of: |
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| 4405. |
Which of the following is correct with regard to a chemical reaction? |
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Answer» Which of the following is correct with regard to a chemical reaction? |
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| 4406. |
Al + HCl → ? + ? |
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Answer» Al + HCl → ? + ? |
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| 4407. |
Which fabric will one prefer for going for outdoor sports activities |
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Answer» Which fabric will one prefer for going for outdoor sports activities |
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| 4408. |
The below question consists of a problem figures and followed by answer figures marked as (A), (B), (C) and (D). You have to select that figure from the set of answer figures which would come in the place of question mark (?) in the problem figure. |
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Answer» The below question consists of a problem figures and followed by answer figures marked as (A), (B), (C) and (D). You have to select that figure from the set of answer figures which would come in the place of question mark (?) in the problem figure. |
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| 4409. |
Elsa loves ice creams and makes it at home.One day she invited her friends for an ice cream party but unfortunately there was a power cut for 3 hours and the ice cream she prepared melted down.Melting of ice cream is what type of a change? |
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Answer» Elsa loves ice creams and makes it at home.One day she invited her friends for an ice cream party but unfortunately there was a power cut for 3 hours and the ice cream she prepared melted down.Melting of ice cream is what type of a change?
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| 4410. |
Read the two statements given below (i) The compressed air in a tyre exerts enough force to lift a heavy car. (ii) In a syringe, the plunger compresses the liquid. Find out the true statements. |
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Answer» Read the two statements given below |
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| 4411. |
Ammonia reacts with oxygen to form nitrogen and water. Write a balanced chemical equation for this reaction. Add the state symbols for all the reatants and products. |
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Answer» Ammonia reacts with oxygen to form nitrogen and water. Write a balanced chemical equation for this reaction. Add the state symbols for all the reatants and products. |
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| 4412. |
What happens to the speed of water molcules when it is heated? |
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Answer» What happens to the speed of water molcules when it is heated? |
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| 4413. |
How to make equations balanced with the chemical formulas |
| Answer» How to make equations balanced with the chemical formulas | |
| 4414. |
Which of the following is not a man-made fibre? |
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Answer» Which of the following is not a man-made fibre? |
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| 4415. |
_____ is a process that separates a pure solid in the form of its crystals from a solution. |
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Answer» _____ is a process that separates a pure solid in the form of its crystals from a solution. |
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| 4416. |
In my textbook there is a chapt called more about chemical changes but in byjus it is not there. Where con I find it |
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Answer» In my textbook there is a chapt called more about chemical changes but in byjus it is not there. Where con I find it |
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| 4417. |
Matter with definite and constant composition, and distinct chemical properties is known as: |
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Answer» Matter with definite and constant composition, and distinct chemical properties is known as: |
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| 4418. |
What is the total number of electrons in the carbon atom of methyl free radical? |
| Answer» What is the total number of electrons in the carbon atom of methyl free radical? | |
| 4419. |
How to write chemical reaction |
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Answer» How to write chemical reaction |
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| 4420. |
Does the food undergo a physical change or a chemical change when heated in a microwave? [2 MARKS] |
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Answer» Does the food undergo a physical change or a chemical change when heated in a microwave? [2 MARKS] |
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| 4421. |
Among the following bonds, the most ionic bond is formed between: |
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Answer» Among the following bonds, the most ionic bond is formed between: |
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| 4422. |
Which of these states of matter take the shape of their container? |
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Answer» Which of these states of matter take the shape of their container? |
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| 4423. |
When an iron screw is heated___________ |
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Answer» When an iron screw is heated___________ |
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| 4424. |
What will be the effect of lime water, salt solution, vinegar, milk, sea water and curd on blue litmus paper? |
| Answer» What will be the effect of lime water, salt solution, vinegar, milk, sea water and curd on blue litmus paper? | |
| 4425. |
What are the byproducts of wastewater? Do they have any commercial value? [2 MARKS] |
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Answer» What are the byproducts of wastewater? Do they have any commercial value? [2 MARKS] |
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| 4426. |
Name three organic impurities present in sewage. [3 MARKS] |
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Answer» Name three organic impurities present in sewage. [3 MARKS] |
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| 4427. |
Q1 What are the products formed in a neutralisation reaaction with the help of an activity. |
Answer»
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| 4428. |
Riya observed two scenes around her. Choose the correct classification of changes for the observations. 1. Few children were inflating balloons. 2. Farmers were harvesting crops in their fields. |
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Answer» Riya observed two scenes around her. Choose the correct classification of changes for the observations. 1. Few children were inflating balloons. |
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| 4429. |
Why is watet considered essential for survival of live ? Give reasons in 50 words strictly. |
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Answer» Why is watet considered essential for survival of live ? Give reasons in 50 words strictly. |
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| 4430. |
A student took a sample of a chemical and added acid to it, a gas is released which turned lime water milky. Which of the following option/options could be the chemical sample taken by the student? |
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Answer» A student took a sample of a chemical and added acid to it, a gas is released which turned lime water milky. Which of the following option/options could be the chemical sample taken by the student? |
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| 4431. |
Why can't distilled water be consumed? |
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Answer» Why can't distilled water be consumed? |
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| 4432. |
Question 1(d) Classify the changes involved in the following processes as physical or chemical changes: Melting of wax |
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Answer» Question 1(d) Classify the changes involved in the following processes as physical or chemical changes: Melting of wax |
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| 4433. |
Select the statement that holds true for a chemical change. |
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Answer» Select the statement that holds true for a chemical change. |
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| 4434. |
Helium is preferred over ___ to fill weather balloons because it is safer. |
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Answer» Helium is preferred over |
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| 4435. |
A jar filled with oxygen gas is given. Using which physical property can it be proved that it is oxygen? |
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Answer» A jar filled with oxygen gas is given. Using which physical property can it be proved that it is oxygen? |
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| 4436. |
What do you understand by the understoreys of a tree? [2 MARKS] |
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Answer» What do you understand by the understoreys of a tree? [2 MARKS] |
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| 4437. |
Which of the following solution will turn red hibiscus paper to blue colour? |
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Answer» Which of the following solution will turn red hibiscus paper to blue colour? |
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| 4438. |
What is treitary treatment? |
| Answer» What is treitary treatment? | |
| 4439. |
Which of the following property leads to the process of distillation? |
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Answer» Which of the following property leads to the process of distillation? |
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| 4440. |
Breaking of ozone to form oxygen is an example of which change? |
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Answer» Breaking of ozone to form oxygen is an example of which change? |
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| 4441. |
You must have noticed some antacid bottles or tablets in your home. It is consumed to neutralize acid formation in ____________. |
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Answer» You must have noticed some antacid bottles or tablets in your home. It is consumed to neutralize acid formation in ____________.
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| 4442. |
___ is the process by which gas changes directly into solid without going through liquid. |
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Answer» ___ is the process by which gas changes directly into solid without going through liquid. |
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| 4443. |
How do you know that chemical change has taken place? |
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Answer» How do you know that chemical change has taken place? |
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| 4444. |
State the rules that are followed while deriving the chemical symbols of various elements. |
| Answer» State the rules that are followed while deriving the chemical symbols of various elements. | |
| 4445. |
Consider the following reaction. Cu(NO3)2 (s)→CuO (s)+NO2 (g)+O2 (g) Which of the following is/are correct? |
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Answer» Consider the following reaction. Cu(NO3)2 (s)→CuO (s)+NO2 (g)+O2 (g) Which of the following is/are correct? |
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| 4446. |
___is the condensed form of water found over glasses, leaves and flowers in winter morning whereas its frozen form ___.(frost/dew) |
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Answer» |
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| 4447. |
The reaction, C+O2→CO2+Heat is a/an |
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Answer» The reaction, C+O2→CO2+Heat is a/an |
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| 4448. |
Finally, the farmer added that the carded wool is straightened more and the fibres are aligned. “This process was similar to using a roller comb to straighten your hair”, he told Appu. Can you guess the name of this process? __ |
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Answer» Finally, the farmer added that the carded wool is straightened more and the fibres are aligned. “This process was similar to using a roller comb to straighten your hair”, he told Appu. Can you guess the name of this process? |
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| 4449. |
___ is based on the difference in rates of adsorption of different substances on the surface of a suitable adsorbent. |
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Answer» |
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| 4450. |
Kavya left some jalebi on the table while watching TV. After sometime, she experienced an ant’s sting. As she looked around she noticed that red ants had attacked the jalebi. She looked for something in the kitchen and found the following items- vinegar, baking soda, sugar and lemons. (a) What should Kavya use to relieve herself from the irritation? (b) Give reason for your answer. |
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Answer» Kavya left some jalebi on the table while watching TV. After sometime, she experienced an ant’s sting. As she looked around she noticed that red ants had attacked the jalebi. She looked for something in the kitchen and found the following items- vinegar, baking soda, sugar and lemons. (a) What should Kavya use to relieve herself from the irritation? (b) Give reason for your answer. |
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