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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.
| 6201. |
Choose the correct statement(s). |
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Answer» Choose the correct statement(s). |
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| 6202. |
Which of the following element is alloyed with magnesium metal for various commercial purposes? |
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Answer» Which of the following element is alloyed with magnesium metal for various commercial purposes? |
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| 6203. |
Sunita's grandmother is suffering from jaundice. Her doctor advised her to drink milk with less fat content. Which of the following mentioned would be the most appropriate for Sunita to prepare it? |
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Answer» Sunita's grandmother is suffering from jaundice. Her doctor advised her to drink milk with less fat content. Which of the following mentioned would be the most appropriate for Sunita to prepare it? |
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| 6204. |
Which is a fossil fuel? |
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Answer» Which is a fossil fuel? |
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| 6205. |
Rayon is prepared by the: |
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Answer» Rayon is prepared by the: |
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| 6206. |
Structures of nuclei of three atoms A, B and C are given: A has 90 protons and 146 neutron; B has 92 protons and 146 neutrons; C has 90 protons and 148 neutrons. Based on the above data, which of these atoms are isotopes and which are isobars? |
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Answer» Structures of nuclei of three atoms A, B and C are given: A has 90 protons and 146 neutron; B has 92 protons and 146 neutrons; C has 90 protons and 148 neutrons. Based on the above data, which of these atoms are isotopes and which are isobars? |
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| 6207. |
Nitric acid is a/an ___ agent. |
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Answer» Nitric acid is a/an |
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| 6208. |
Water expands below ___ and contracts above ___. |
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Answer» Water expands below ___ and contracts above ___. |
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| 6209. |
What is the property that all alloys have in common? |
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Answer» What is the property that all alloys have in common? |
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| 6210. |
Which gas affects lungs and cause respiratory problems? |
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Answer» Which gas affects lungs and cause respiratory problems? |
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| 6211. |
Mixtures of several indicators are known as the _________ indicator. |
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Answer» Mixtures of several indicators are known as the _________ indicator. |
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| 6212. |
Which of the following is true about an electron? |
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Answer» Which of the following is true about an electron? |
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| 6213. |
According to Lewis symbol, the valency of N is: |
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Answer» According to Lewis symbol, the valency of N is: |
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| 6214. |
The property that allows metals to be hit and hammered into thin sheets is: |
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Answer» The property that allows metals to be hit and hammered into thin sheets is: |
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| 6215. |
Which of the following plastics is used for making electric switches ? (a) teflon (b) melamine (c) PET (d) bakelite |
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Answer» Which of the following plastics is used for making electric switches ? (a) teflon (b) melamine (c) PET (d) bakelite |
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| 6216. |
Mn + dil.HNO3 → Salt + ? |
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Answer» Mn + dil.HNO3 → Salt + ? |
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| 6217. |
The diver is able to cut through water in a swimming pool. Why? [3 MARKS] |
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Answer» The diver is able to cut through water in a swimming pool. Why? [3 MARKS] |
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| 6218. |
Aluminium foil is used for wrapping food. Which property of aluminium is used for this? |
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Answer» Aluminium foil is used for wrapping food. Which property of aluminium is used for this? |
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| 6219. |
Pottery makers create different types of dishes and pots using clay. Molding of clay is ________change. |
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Answer» Pottery makers create different types of dishes and pots using clay. Molding of clay is ________change. |
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| 6220. |
Identify the type of the reaction given below: 2KClO3(s)Heat−−→2KCl(s)+3O2(g) |
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Answer» Identify the type of the reaction given below: 2KClO3(s)Heat−−→2KCl(s)+3O2(g) |
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| 6221. |
What happens when a chunk of copper sulphate crystal is kept in a beaker filled with water? |
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Answer» What happens when a chunk of copper sulphate crystal is kept in a beaker filled with water? |
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| 6222. |
Which of the following metals react vigorously with cold water? |
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Answer» Which of the following metals react vigorously with cold water? |
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| 6223. |
Why do people burn these fuels which pollutes the air. Is It really necessary to burn these fuels which also harms people by polluting the air that we breathe in |
| Answer» Why do people burn these fuels which pollutes the air. Is It really necessary to burn these fuels which also harms people by polluting the air that we breathe in | |
| 6224. |
What happens when dilute sulphuric acid is poured on a copper plate. Explain. |
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Answer» What happens when dilute sulphuric acid is poured on a copper plate. Explain. |
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| 6225. |
___ can resist fire, as it has the capability of tolerating heat more than any other plastic. |
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Answer» |
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| 6226. |
Fill in the following blanks with suitable words : (a) A fuel must be heated to its___ before it starts burning. (b) The most common supporter of combustion around us is___ (c) Fire produced by burning oil cannot be controlled by___ (d) A liquid fuel used in homes is___ (e) The amount of heat evolved when 1 kg of a fuel is burnt completely is called its___ (f) The substances which vaporise during burning, give___ (g) Burning of wood and coal causes___ of air. |
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Answer» Fill in the following blanks with suitable words : (a) A fuel must be heated to its (b) The most common supporter of combustion around us is (c) Fire produced by burning oil cannot be controlled by (d) A liquid fuel used in homes is (e) The amount of heat evolved when 1 kg of a fuel is burnt completely is called its (f) The substances which vaporise during burning, give (g) Burning of wood and coal causes |
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| 6227. |
Particles in a colloid may settle down after some time. The substance added to retain particles and prevent them from settling down in a colloid is called |
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Answer» Particles in a colloid may settle down after some time. The substance added to retain particles and prevent them from settling down in a colloid is called |
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| 6228. |
In a helium there are 2electron and 2 nutron so that the shell shrinks . Due to which force and why it shrinks |
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Answer» In a helium there are 2electron and 2 nutron so that the shell shrinks . Due to which force and why it shrinks |
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| 6229. |
Who among the following discovered electrons? |
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Answer» Who among the following discovered electrons? |
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| 6230. |
By which properties synthetic fibres are preferred to make dress material ? |
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Answer» By which properties synthetic fibres are preferred to make dress material ? |
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| 6231. |
One day Rita went to a jwellershop with mother. Her mother gave an old gold to Goldsmith to polish. Next day when they bought the jwellershop back, they found that there is a slight lose in its weight. Can you suggest a reason for the loss in wieght? |
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Answer» One day Rita went to a jwellershop with mother. Her mother gave an old gold to Goldsmith to polish. Next day when they bought the jwellershop back, they found that there is a slight lose in its weight. Can you suggest a reason for the loss in wieght? |
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| 6232. |
Give scientific reason:- 1. Constituent substance of colloid cannot be separated by ordinary filtration 2. Lemon sherbat has sweet,sour and salty taste and it can be poured in a glass. 3. A solid matter has the properties of definite shape and volume. |
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Answer» Give scientific reason:- 1. Constituent substance of colloid cannot be separated by ordinary filtration 2. Lemon sherbat has sweet,sour and salty taste and it can be poured in a glass. 3. A solid matter has the properties of definite shape and volume. |
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| 6233. |
I actually wanted a perfect definition for the three types of combustion! |
| Answer» I actually wanted a perfect definition for the three types of combustion! | |
| 6234. |
In the given figure, which of the following is a non-renewable resource? |
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Answer» In the given figure, which of the following is a non-renewable resource?
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| 6235. |
Which of the following describes properties of gas? |
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Answer» Which of the following describes properties of gas? |
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| 6236. |
Burning of cotton smells like burning paper but burning of wool smells like burning hair.why? |
| Answer» Burning of cotton smells like burning paper but burning of wool smells like burning hair.why? | |
| 6237. |
Diffrentiate between metals and non - metals on the bases of their physical properties? |
| Answer» Diffrentiate between metals and non - metals on the bases of their physical properties? | |
| 6238. |
Q29) CERN announced discovery of the exotic subatomic particles pentaquarks which so far had existed in theory only. Which of the following statements is/are true about the below mentioned particles? 1) Pentaquark is a sub-atomic particle composed of five-quarks (four antiquarks and a quark). 2) A baryon is a composite subatomic particle made up of three quarks 3) Mesons are composed of one quark and one antiquark 4) Leptons are not quark-based code: |
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Answer» Q29) CERN announced discovery of the exotic subatomic particles pentaquarks which so far had existed in theory only. Which of the following statements is/are true about the below mentioned particles? 1) Pentaquark is a sub-atomic particle composed of five-quarks (four antiquarks and a quark). 2) A baryon is a composite subatomic particle made up of three quarks 3) Mesons are composed of one quark and one antiquark 4) Leptons are not quark-based code: |
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| 6239. |
What do you understand by electrically neutral object ? |
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Answer» What do you understand by electrically neutral object ? |
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| 6240. |
Amongst the following total number of elements which occur in combined state in earth's crust is: F,Au,Na,Pt,Cl,Ag,K,Hg,Pb,Cr,W,Ni,Cu,Li,Br,B,Mg,Al,P,S,K,Sc,Ti |
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Answer» Amongst the following total number of elements which occur in combined state in earth's crust is: F,Au,Na,Pt,Cl,Ag,K,Hg,Pb,Cr,W,Ni,Cu,Li,Br,B,Mg,Al,P,S,K,Sc,Ti |
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| 6241. |
State the poisonous nature of carbon monoxide. |
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Answer» State the poisonous nature of carbon monoxide. |
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| 6242. |
The valency of calcium in calcium hydroxide is ___ . |
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Answer» The valency of calcium in calcium hydroxide is |
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| 6243. |
Why does phosphine have a smaller bond angle as compared to water though oxygen has two lone pairs in water? |
| Answer» Why does phosphine have a smaller bond angle as compared to water though oxygen has two lone pairs in water? | |
| 6244. |
Which characteristic is true with respect to colloids? |
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Answer» Which characteristic is true with respect to colloids? |
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| 6245. |
Name three fundamental particles of an atom. Give the symbol with charge, on each particle. |
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Answer» Name three fundamental particles of an atom. Give the symbol with charge, on each particle. |
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| 6246. |
Where is natural gas found ? Why is natural gas called a clean fuel ? |
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Answer» Where is natural gas found ? Why is natural gas called a clean fuel ? |
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| 6247. |
Explain why, frying pan handles are made of thermosetting plastics. |
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Answer» Explain why, frying pan handles are made of thermosetting plastics. |
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| 6248. |
Name any five objects used in our everyday life which are made of metals. |
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Answer» Name any five objects used in our everyday life which are made of metals. |
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| 6249. |
Question 5 (b) Tick True/False against the following statements : CNG is more polluting fuel than petrol. |
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Answer» Question 5 (b) Tick True/False against the following statements : CNG is more polluting fuel than petrol. |
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| 6250. |
What is lignite? |
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Answer» What is lignite? |
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