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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.
| 2851. |
Identify the synthetic fibre which resembles wool. |
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Answer» Identify the synthetic fibre which resembles wool. |
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| 2852. |
Mixtures of red chilli powder in water, butter in water, petrol in water, and honey in water were given to Radha, Sudha, Sofia and Raveena, respectively. Whose mixture is in solution form? |
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Answer» Mixtures of red chilli powder in water, butter in water, petrol in water, and honey in water were given to Radha, Sudha, Sofia and Raveena, respectively. Whose mixture is in solution form? |
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| 2853. |
It is found,on heating a gas,its volume increases by 50% and pressure decreases to 60% of its original value.If the original temperature was-15'C,find the temperature to which it was heated? |
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Answer» It is found,on heating a gas,its volume increases by 50% and pressure decreases to 60% of its original value.If the original temperature was -15'C,find the temperature to which it was heated? |
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| 2854. |
Volume at NTP of oxygen required to completely burn 1 kg of coal(100%carbon) A-22.4L B-22400L C-1860L D-1000L |
| Answer» Volume at NTP of oxygen required to completely burn 1 kg of coal(100%carbon) A-22.4L B-22400L C-1860L D-1000L | |
| 2855. |
According to Bohr's theory, the angular momentum of an electron in 5th orbit i |
| Answer» According to Bohr's theory, the angular momentum of an electron in 5th orbit i | |
| 2856. |
A solution saturated with sparingly soluble salts P+R- have the concentration of ions other than(given Ksp of PQ and QR are 3*10^16 and 1*10^-16 respectively)1)2*10^-82)1*10^-83)1.5*10^-84)0.5*10^-8 |
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Answer» A solution saturated with sparingly soluble salts P+R- have the concentration of ions other than(given Ksp of PQ and QR are 3*10^16 and 1*10^-16 respectively) 1)2*10^-8 2)1*10^-8 3)1.5*10^-8 4)0.5*10^-8 |
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| 2857. |
WHAT ARE LINEAR POLYMER |
| Answer» WHAT ARE LINEAR POLYMER | |
| 2858. |
why cant we apply (mv^2)/r=GmM/r^2 at apogee and perige |
| Answer» why cant we apply (mv^2)/r=GmM/r^2 at apogee and perige | |
| 2859. |
Which is not the combined form of Carbon? |
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Answer» Which is not the combined form of Carbon? |
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| 2860. |
Which of the following substances burns spontaneously? |
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Answer» Which of the following substances burns spontaneously? |
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| 2861. |
State two experiences that made you think that air exerts pressure. |
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Answer» State two experiences that made you think that air exerts pressure. |
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| 2862. |
To make a saturated solution, 15 g of sodium chloride is dissolved in 85 g of water at 293 K. Calculate the concentration in terms of mass by mass percentage at this temperature. |
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Answer» To make a saturated solution, 15 g of sodium chloride is dissolved in 85 g of water at 293 K. Calculate the concentration in terms of mass by mass percentage at this temperature. |
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| 2863. |
49.The solute particles of Colloidal Solutions are very small but particles of colloidal solution scatter beam of light and makes visible path. How? |
| Answer» 49.The solute particles of Colloidal Solutions are very small but particles of colloidal solution scatter beam of light and makes visible path. How? | |
| 2864. |
Question 4 (d) Coal can be drawn into wires. (True/False) |
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Answer» Question 4 (d) Coal can be drawn into wires. (True/False) |
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| 2865. |
The strongest acid among the following aromatic compounds is [NCERT 1978] |
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Answer» The strongest acid among the following aromatic compounds is [NCERT 1978] |
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| 2866. |
What is the reason behind increasing the size of a bubble when it is given a net charge? |
| Answer» What is the reason behind increasing the size of a bubble when it is given a net charge? | |
| 2867. |
What are synthetic or man-made fibres and natural fibres? Explain with examples. [3 MARKS] |
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Answer» What are synthetic or man-made fibres and natural fibres? Explain with examples. [3 MARKS] |
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| 2868. |
26. If an object at absolute temp.T radiates energy at rate R, then select the correct graph showing the variation of logeR with loge(T) |
| Answer» 26. If an object at absolute temp.T radiates energy at rate R, then select the correct graph showing the variation of logeR with loge(T) | |
| 2869. |
State differences between acids and bases. |
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Answer» State differences between acids and bases. |
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| 2870. |
nttwo spheres made up of same substance have ratio of diameter in ratio 1;2.their thermal capacities are in ratio ofn |
| Answer» nttwo spheres made up of same substance have ratio of diameter in ratio 1;2.their thermal capacities are in ratio ofn | |
| 2871. |
The equation of state for a gas is P(V−nb)=nR, where b and R are constants. If the pressure and temperature are such that Vm=10b, then what is the compressibility factor of gas in this condition ? |
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Answer» The equation of state for a gas is P(V−nb)=nR, where b and R are constants. If the pressure and temperature are such that Vm=10b, then what is the compressibility factor of gas in this condition ? |
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| 2872. |
37. Which phrase would be incorret to use a) A molecule of a compound b) A molecule of an element c) An atom of an element d) None of these |
| Answer» 37. Which phrase would be incorret to use a) A molecule of a compound b) A molecule of an element c) An atom of an element d) None of these | |
| 2873. |
What are the factors responsible for the transformation of the buried dead vegetation into coal? |
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Answer» What are the factors responsible for the transformation of the buried dead vegetation into coal? |
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| 2874. |
Question 4Which of the following is not a combustible substance?(a) Camphor(b) Glass(c) Straw(d) Alcohol |
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Answer» Question 4 Which of the following is not a combustible substance? (a) Camphor (b) Glass (c) Straw (d) Alcohol |
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| 2875. |
Microbes are helpful in oil recovery because: |
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Answer» Microbes are helpful in oil recovery because: |
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| 2876. |
What is meant by ‘surface activity’? Name three chemicals responsible for the surface activity of various detergents. |
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Answer» What is meant by ‘surface activity’? Name three chemicals responsible for the surface activity of various detergents. |
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| 2877. |
Which of the following material is used in the following image? |
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Answer» Which of the following material is used in the following image?
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| 2878. |
Find out more reactive metals and less reactive metals? |
| Answer» Find out more reactive metals and less reactive metals? | |
| 2879. |
26.Which of the following can effectively remove all types of hardness of water? 1) Soap 2) Washing soda 3) Slaked lime 4) None |
| Answer» 26.Which of the following can effectively remove all types of hardness of water? 1) Soap 2) Washing soda 3) Slaked lime 4) None | |
| 2880. |
We read in newpapers that burning of fuels is a major cause of global warming. Explain why. |
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Answer» We read in newpapers that burning of fuels is a major cause of global warming. Explain why. |
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| 2881. |
The presence of ________ in air controls the process of burning. |
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Answer» The presence of ________ in air controls the process of burning. |
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| 2882. |
20Cr=20Cr-10, then 18C, is equal to |
| Answer» 20Cr=20Cr-10, then 18C, is equal to | |
| 2883. |
Why Rutherford used only gold foil and not any other metal foil? |
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Answer» Why Rutherford used only gold foil and not any other metal foil? |
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| 2884. |
What activites mainly cause water pollution? |
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Answer» What activites mainly cause water pollution? |
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| 2885. |
60. 10g H2 and 64g O2 are taken in a vessel and exploded.What is the volume of gaseous product formed? |
| Answer» 60. 10g H2 and 64g O2 are taken in a vessel and exploded.What is the volume of gaseous product formed? | |
| 2886. |
{ An iron ball of mass }0.2kg is heated to }10^° C and put into a }}{ block of ice at }0^° C.25g of ice melts. If the latent heat of }}{ fusion of ice is }80calg^{-1} , then the specific heat of iron in }}{ cal }g^{-1}C is |
| Answer» { An iron ball of mass }0.2kg is heated to }10^° C and put into a }}{ block of ice at }0^° C.25g of ice melts. If the latent heat of }}{ fusion of ice is }80calg^{-1} , then the specific heat of iron in }}{ cal }g^{-1}C is | |
| 2887. |
Which among the following methods is most suitable for the separation of dyes in black ink? |
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Answer» Which among the following methods is most suitable for the separation of dyes in black ink? |
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| 2888. |
The layer of atmosphere that contains most of the earth's ozone is |
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Answer» The layer of atmosphere that contains most of the earth's ozone is |
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| 2889. |
The gas that is most abundant and important for the growth of plants and animals |
| Answer» The gas that is most abundant and important for the growth of plants and animals | |
| 2890. |
Radius of a soap bubble is 'r', surface tension of soap solution is T. Then without increasing the temperature, how much energy will be needed to double its radius |
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Answer» Radius of a soap bubble is 'r', surface tension of soap solution is T. Then without increasing the temperature, how much energy will be needed to double its radius
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| 2891. |
A large number of substances such as lemon, orange juice, baking soda and vinegar are used in daily life. Which of the following substance has a bitter taste? |
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Answer» A large number of substances such as lemon, orange juice, baking soda and vinegar are used in daily life. Which of the following substance has a bitter taste?
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| 2892. |
The valencies of aluminium and chlorine in the compound AlCl3 respectively are ______ and _____. |
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Answer» The valencies of aluminium and chlorine in the compound AlCl3 respectively are ______ and _____. |
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| 2893. |
Subscripts in the chemical formula A3B8 denote 3 atoms of A are mixed with 8 atoms of B. |
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Answer» Subscripts in the chemical formula A3B8 denote 3 atoms of A are mixed with 8 atoms of B. |
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| 2894. |
What are the key postulates of Dalton atomic theory? |
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Answer» What are the key postulates of Dalton atomic theory? |
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| 2895. |
Statement 1: Ornamental Gold is a solution. Statement 2: Ornamental Gold is a mixture. |
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Answer» Statement 1: Ornamental Gold is a solution. Statement 2: Ornamental Gold is a mixture. |
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| 2896. |
9. number of isomers for the compound having molecular formula C2BrClFI |
| Answer» 9. number of isomers for the compound having molecular formula C2BrClFI | |
| 2897. |
Which of the following substances has the lowest ignition temperature ?(a) kerosene(b) spirit(c) diesel (d) mustard oil |
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Answer» Which of the following substances has the lowest ignition temperature ? (a) kerosene (b) spirit (c) diesel (d) mustard oil |
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| 2898. |
What are the products obtained when we bring about thermal decomposition of CaCO3? |
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Answer» What are the products obtained when we bring about thermal decomposition of CaCO3? |
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| 2899. |
What is fluorosis ? How does it affect people ? In which parts of our country it is mainly found? |
| Answer» What is fluorosis ? How does it affect people ? In which parts of our country it is mainly found? | |
| 2900. |
40 1 mol of KClO3(s) gives 80%yield of KCl(s)+O2(g).if 2 mol of KClO3 were used in above reaction ,then volume of oxygen form at NTP will be 22.4L 53.76L 67.2L 13.4L |
| Answer» 40 1 mol of KClO3(s) gives 80%yield of KCl(s)+O2(g).if 2 mol of KClO3 were used in above reaction ,then volume of oxygen form at NTP will be 22.4L 53.76L 67.2L 13.4L | |
