InterviewSolution
Saved Bookmarks
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.
| 4751. |
Sulphuric acid |
|
Answer» Sulphuric acid |
|
| 4752. |
Fuels can be classified as: |
|
Answer» Fuels can be classified as: |
|
| 4753. |
Which of the following is/are a diatomic gas(es) at the room temperature? |
|
Answer» Which of the following is/are a diatomic gas(es) at the room temperature? |
|
| 4754. |
Explain Air masses and fronts. Also, write a note on various types of fronts? |
| Answer» Explain Air masses and fronts. Also, write a note on various types of fronts? | |
| 4755. |
___ is a gaseous combustible substance. |
|
Answer» ___ is a gaseous combustible substance. |
|
| 4756. |
Which of the following is/are component(s) required for propagation of fire? |
|
Answer» Which of the following is/are component(s) required for propagation of fire? |
|
| 4757. |
Why is deforestation done. |
|
Answer» Why is deforestation done. |
|
| 4758. |
What is fire composed of? |
|
Answer» What is fire composed of? |
|
| 4759. |
Same amount of force (10 N) is acting on two bodies in two different ways. In case of body 1: Force is acting in the direction of displacement of the body. In case of body 2: Force is making an angle of 60° with the direction of displacement. If the displacement is 'd' meters in both the cases, then what is the relation between the work done in both the cases? |
|
Answer» Same amount of force (10 N) is acting on two bodies in two different ways. |
|
| 4760. |
Name the fibre used for making parachutes and rock climbing ropes. |
|
Answer» Name the fibre used for making parachutes and rock climbing ropes. |
|
| 4761. |
What is meant by the 3R's principle in the context of use of plastics? |
|
Answer» What is meant by the 3R's principle in the context of use of plastics? |
|
| 4762. |
A kid pushes his toy along a distance of 5m on the floor of his house by applying a force of magnitude 9.0N. What is the energy that has to be put in by the kid for displacing the toy? |
|
Answer» A kid pushes his toy along a distance of 5m on the floor of his house by applying a force of magnitude 9.0N. What is the energy that has to be put in by the kid for displacing the toy? |
|
| 4763. |
What are the physical states of dispersed phase and dispersion medium of fog? |
|
Answer» What are the physical states of dispersed phase and dispersion medium of fog? |
|
| 4764. |
State Mendeleev’s periodic law. [1 MARK] |
|
Answer» State Mendeleev’s periodic law. [1 MARK] |
|
| 4765. |
The advantage of Nylon over Rayon is |
|
Answer» The advantage of Nylon over Rayon is |
|
| 4766. |
What is the use of reactivity series of metals ?Explain with an example . |
|
Answer» What is the use of reactivity series of metals ?Explain with an example . |
|
| 4767. |
Which of the following can help in oil recovery? |
|
Answer» Which of the following can help in oil recovery? |
|
| 4768. |
What is the half life period of a radioactive substance if 87.5% of any given amount of the substance disintegrates in 40 minutes? |
|
Answer» What is the half life period of a radioactive substance if 87.5% of any given amount of the substance disintegrates in 40 minutes? |
|
| 4769. |
A reaction in which a single product is formed from two or more reactants is known as a/an __ reaction. |
|
Answer» A reaction in which a single product is formed from two or more reactants is known as a/an |
|
| 4770. |
Which reagent is better known as Oxygen tolerance indicator? |
|
Answer» Which reagent is better known as Oxygen tolerance indicator? |
|
| 4771. |
Silver chloride turns greyish black when it gets exposed to sunlight. Select the chemical reaction taking place resulting in this change. |
|
Answer» Silver chloride turns greyish black when it gets exposed to sunlight. Select the chemical reaction taking place resulting in this change.
|
|
| 4772. |
Which of the following plastic objects can be recycled ? A. Electric socket B. Polythene bag C. PVC pipe D. Ashtray (a) A and B (b) B and C (c) A and D (d) C and D |
|
Answer» Which of the following plastic objects can be recycled ? A. Electric socket B. Polythene bag C. PVC pipe D. Ashtray (a) A and B (b) B and C (c) A and D (d) C and D |
|
| 4773. |
Atomic mass number is a whole number |
|
Answer» Atomic mass number is a whole number |
|
| 4774. |
Differentiate between natural and artificial fibres? |
|
Answer» Differentiate between natural and artificial fibres? |
|
| 4775. |
Why are coal and petroleum so versatile? |
|
Answer» Why are coal and petroleum so versatile? |
|
| 4776. |
Non-metals are: |
|
Answer» Non-metals are: |
|
| 4777. |
Which of the following causes respiratory problems? |
|
Answer» Which of the following causes respiratory problems? |
|
| 4778. |
Diagram shows some objects placed inside a tube: Which of the objects will float when water is poured into the tub? |
Answer» Diagram shows some objects placed inside a tube: Which of the objects will float when water is poured into the tub? |
|
| 4779. |
Carbonate ion is also known as a: |
|
Answer» Carbonate ion is also known as a: |
|
| 4780. |
Match the metals of column I with their uses in column II Metals Uses (a) Gold (i) Making electrical wires (b) Copper (ii) Making bulb filaments (c) Aluminium (iii) Making ornaments (d) Tungsten (iv) Making kitchen utensils and foils to wrap food |
||||||||||
|
Answer» Match the metals of column I with their uses in column II
|
|||||||||||
| 4781. |
Which of the following compounds will not undergo decomposition on passing electricity through the aqueous solution? |
|
Answer» Which of the following compounds will not undergo decomposition on passing electricity through the aqueous solution? |
|
| 4782. |
Why does the solubility of a saturated solution get increased when it is heated |
|
Answer» Why does the solubility of a saturated solution get increased when it is heated |
|
| 4783. |
Untreated sewage contaminates Ganga because it ____ |
|
Answer» Untreated sewage contaminates Ganga because it ____ |
|
| 4784. |
Avoid plastics as far as possible .Comment on this advice |
|
Answer» Avoid plastics as far as possible .Comment on this advice |
|
| 4785. |
How was atom discovered? who discovered atom? when was atom discovered? |
|
Answer» How was atom discovered? who discovered atom? when was atom discovered? |
|
| 4786. |
Plastic is usually |
|
Answer» Plastic is usually |
|
| 4787. |
What is ester used for? |
|
Answer» What is ester used for? |
|
| 4788. |
Which is not an inflammable substance? |
|
Answer» Which is not an inflammable substance? |
|
| 4789. |
What is seeding? |
|
Answer» What is seeding? |
|
| 4790. |
How much gold is present in 22 carat gold piece. |
| Answer» How much gold is present in 22 carat gold piece. | |
| 4791. |
Which household technique is commonly used to remove all the micro organisms present in the water? |
|
Answer» Which household technique is commonly used to remove all the micro organisms present in the water? |
|
| 4792. |
The simple type of chromatography is named as ___ chromatography. |
|
Answer» The simple type of chromatography is named as |
|
| 4793. |
In a test tube aluminium is mixed with sodium hydroxide. What will be the product formed? |
|
Answer» In a test tube aluminium is mixed with sodium hydroxide. What will be the product formed? |
|
| 4794. |
Write the following in the form of a word equation: 2NaOH + CaBr2 → Ca(OH)2 + 2NaBr In the formula CaBr2 what does Ca stand for and what is its valency? |
|
Answer» Write the following in the form of a word equation: 2NaOH + CaBr2 → Ca(OH)2 + 2NaBr In the formula CaBr2 what does Ca stand for and what is its valency? |
|
| 4795. |
Do phosphorus and potassium shows any similarities between their chemical and physical properties? If yes then why? Or no then why? |
|
Answer» Do phosphorus and potassium shows any similarities between their chemical and physical properties? If yes then why? Or no then why? |
|
| 4796. |
what is a photon? What is valence? What is all-red rochow's principle? |
| Answer» what is a photon? What is valence? What is all-red rochow's principle? | |
| 4797. |
How can we change the climatic conditions of a planet? |
|
Answer» How can we change the climatic conditions of a planet? |
|
| 4798. |
Which constituent of petroleum is used in vaseline? |
|
Answer» Which constituent of petroleum is used in vaseline? |
|
| 4799. |
What are the various methods to express concentration of a solution? [2 MARKS] |
|
Answer» What are the various methods to express concentration of a solution? [2 MARKS] |
|
| 4800. |
Which of the following undergoes spontaneous combustion ? (a) yellow sulphur (b) red phosphorus (c) white phosphorus (d) brown sulphur |
|
Answer» Which of the following undergoes spontaneous combustion ? (a) yellow sulphur (b) red phosphorus (c) white phosphorus (d) brown sulphur |
|
