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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.
| 9101. |
Question 18. Which of the following substances will not give carbon dioxide on treatment with dilute acid? (a) Marble (b) Limestone (c) Baking soda (d) Lime |
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Answer» Question 18. |
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| 9102. |
What is the advantage of a detergent over soap ? |
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Answer» What is the advantage of a detergent over soap ? |
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| 9103. |
Name the different types of temperature scales. Which of them is followed in India? |
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Answer» Name the different types of temperature scales. Which of them is followed in India? |
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| 9104. |
61 Do all enzyme catalysed reactions follow first order kinetics? |
| Answer» 61 Do all enzyme catalysed reactions follow first order kinetics? | |
| 9105. |
How to calculate the " i " for urea, MgCl2, Na2SO4, Mg(NO3)2, BaCl2, FeCl3 |
| Answer» How to calculate the " i " for urea, MgCl2, Na2SO4, Mg(NO3)2, BaCl2, FeCl3 | |
| 9106. |
Why is magnesium ribbon cleaned with sandpaper before burning it in air? |
| Answer» Why is magnesium ribbon cleaned with sandpaper before burning it in air? | |
| 9107. |
Outermost electronic configuration of a group 13 element, E is 4s2,4p1. The electronic configuration of an element of p - block period - five placed diagonally to element E is : |
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Answer» Outermost electronic configuration of a group 13 element, E is 4s2,4p1. The electronic configuration of an element of p - block period - five placed diagonally to element E is : |
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| 9108. |
A list of metals which are arranged in order of their decreasing reactivity is known as: |
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Answer» A list of metals which are arranged in order of their decreasing reactivity is known as: |
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| 9109. |
Calculate the rms speed of an ideal diatomic gas having molecular weight 32gm/mol at 0°C. If the specific heats at constant pressure and volume are respectively 8.3J/mol k and 6.34 cal/ mol k respectively. |
| Answer» Calculate the rms speed of an ideal diatomic gas having molecular weight 32gm/mol at 0°C. If the specific heats at constant pressure and volume are respectively 8.3J/mol k and 6.34 cal/ mol k respectively. | |
| 9110. |
Which of the following is not an ionizable compound? |
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Answer» Which of the following is not an ionizable compound? |
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| 9111. |
An monovalent metal A gives a compound B (molecular mass = 40) on reacting with water. The compound B gives a soluble compound C on treatment with aluminium oxide. Identify A, B and C and give the reaction involved. |
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Answer» An monovalent metal A gives a compound B (molecular mass = 40) on reacting with water. The compound B gives a soluble compound C on treatment with aluminium oxide. Identify A, B and C and give the reaction involved. |
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| 9112. |
nickel shows ferromagnetic propert at room temp. if the temp. is increased beyond curie temp then it will show which type of magnetic behaviour |
| Answer» nickel shows ferromagnetic propert at room temp. if the temp. is increased beyond curie temp then it will show which type of magnetic behaviour | |
| 9113. |
How to identify whether a bond is ionic ,covalent or coordinate? |
| Answer» How to identify whether a bond is ionic ,covalent or coordinate? | |
| 9114. |
10. Why are all the P-Cl bonds in PCl5 not of same length? |
| Answer» 10. Why are all the P-Cl bonds in PCl5 not of same length? | |
| 9115. |
81. Is half atom possible?explain Is Half molecule possible?explain |
| Answer» 81. Is half atom possible?explain Is Half molecule possible?explain | |
| 9116. |
Among halides of lithium which one is most covalent in nature. |
| Answer» Among halides of lithium which one is most covalent in nature. | |
| 9117. |
24. Is froth flotation process employed ONLY for sulphide ores? |
| Answer» 24. Is froth flotation process employed ONLY for sulphide ores? | |
| 9118. |
How much will the potential of Zn/Zn^{2+} change if the solution of Zn^{2+} is diluted 10 times a) increases by 0.03V b)decreases by 0.03V c)increases by 0.059V d)decreases by 0.059V |
| Answer» How much will the potential of Zn/Zn^{2+} change if the solution of Zn^{2+} is diluted 10 times a) increases by 0.03V b)decreases by 0.03V c)increases by 0.059V d)decreases by 0.059V | |
| 9119. |
Sulphur and oxygen are known to form two compounds. The sulphur content in one of theseis 51% while in the other is 41%. Show that this data is in agreement with the law of multipleproportions. |
| Answer» Sulphur and oxygen are known to form two compounds. The sulphur content in one of theseis 51% while in the other is 41%. Show that this data is in agreement with the law of multipleproportions. | |
| 9120. |
How will you distinguish between the two black samples, CuO and MnO2 with a chemical test? |
| Answer» How will you distinguish between the two black samples, CuO and MnO2 with a chemical test? | |
| 9121. |
Choose the correct option for the increasing order of acidic strength. |
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Answer» Choose the correct option for the increasing order of acidic strength. |
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| 9122. |
The total number of lattice point in an FCC unit cell will be |
| Answer» The total number of lattice point in an FCC unit cell will be | |
| 9123. |
Covalency is the number of electron pairs |
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Answer» Covalency is the number of electron pairs |
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| 9124. |
What is the correct formula of green vitriol? |
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Answer» What is the correct formula of green vitriol? |
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| 9125. |
Is copper more reactive than iron? Give a chemical reaction in support of your answer. |
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Answer» Is copper more reactive than iron? Give a chemical reaction in support of your answer. |
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| 9126. |
What are the colour of pH paper , approximate pH value, nature of substance for the following solutions :-Saliva (before meal ) , saliva (after meal) , lemon juice, colourless aerated drink , carrot juice , coffee, tomato juice , tap water, 1M NaOH , 1M HCl |
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Answer» What are the colour of pH paper , approximate pH value, nature of substance for the following solutions :- Saliva (before meal ) , saliva (after meal) , lemon juice, colourless aerated drink , carrot juice , coffee, tomato juice , tap water, 1M NaOH , 1M HCl |
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| 9127. |
CO2+S8->CS2+SO2 |
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Answer» CO2+S8->CS2+SO2 |
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| 9128. |
Why should magnesium ribbon be cleaned before burning in air ? |
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Answer» Why should magnesium ribbon be cleaned before burning in air ? |
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| 9129. |
What are Arrhenius acids? |
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Answer» What are Arrhenius acids? |
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| 9130. |
Question 55Give the reaction involved during extraction of zinc from its ore by(a) roasting of zinc ore.(b) calcination of zinc ore. |
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Answer» Question 55 (a) roasting of zinc ore. |
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| 9131. |
When NaHCO3 is heated, what is obtained? |
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Answer» When NaHCO3 is heated, what is obtained? |
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| 9132. |
Why does copper displace silver from sivler nitrate solution? |
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Answer» Why does copper displace silver from sivler nitrate solution? |
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| 9133. |
Which of the following compound is obtained when quicklime reacts with water? |
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Answer» Which of the following compound is obtained when quicklime reacts with water? |
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| 9134. |
On heating alkali metal nitrate products formed are (except LiNo3) |
| Answer» On heating alkali metal nitrate products formed are (except LiNo3) | |
| 9135. |
Why Ca(OH2) + CO2 👉 CaCO3 + H2O? |
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Answer» Why Ca(OH2) + CO2 👉 CaCO3 + H2O? |
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| 9136. |
Due to large electronegativity difference which bond is formed |
| Answer» Due to large electronegativity difference which bond is formed | |
| 9137. |
Is the given equation below an example for substitution reaction: CH4+Cl2 -----------> CH3Cl+HCl (Sunlight) |
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Answer» Is the given equation below an example for substitution reaction: CH4+Cl2 -----------> CH3Cl+HCl (Sunlight) |
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| 9138. |
Study the flowchart and give balanced equations with conditions for the conversions A, B, C and D. [4 MARKS] |
Answer» Study the flowchart and give balanced equations with conditions for the conversions A, B, C and D. [4 MARKS]
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| 9139. |
THE NUMBER OF COORDINATE BONDS PRESENT IN SO3 MOLECULE ARE A) 1 B) 2 C) 3 D) 4 |
| Answer» THE NUMBER OF COORDINATE BONDS PRESENT IN SO3 MOLECULE ARE A) 1 B) 2 C) 3 D) 4 | |
| 9140. |
Calculate the concentration of nitric acid in moles per liter in a sample which has a density 1.41 g ml and the mass percent of nitric acid in It belong 69 |
| Answer» Calculate the concentration of nitric acid in moles per liter in a sample which has a density 1.41 g ml and the mass percent of nitric acid in It belong 69 | |
| 9141. |
In the following reaction which substance is oxidised and which one is reduced?I2+NaOH→NaIO3+NaI+H2O |
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Answer» In the following reaction which substance is oxidised and which one is reduced? |
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| 9142. |
When mass m is attached to the spring of force constant k , then the Spring stretches by l lf the mass oscillates with amplitude l , maximum potential energy stored in the spring is A. kl B. 4kl C. 5/2 mgl D. 2mgl |
| Answer» When mass m is attached to the spring of force constant k , then the Spring stretches by l lf the mass oscillates with amplitude l , maximum potential energy stored in the spring is A. kl B. 4kl C. 5/2 mgl D. 2mgl | |
| 9143. |
BALANCE THIS EQUATION WITH STEPS: HNO3+Ca(OH)2>>>Ca(NO3)2+H2O |
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Answer» BALANCE THIS EQUATION WITH STEPS: HNO3+Ca(OH)2>>>Ca(NO3)2+H2O |
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| 9144. |
What is radius of gyration and what is the formula to calculate it ? |
| Answer» What is radius of gyration and what is the formula to calculate it ? | |
| 9145. |
if the cold junction of a thermo-couple is kept at 0c and the hot junction is kept at T c then the relationn between neutral temperature [Tn] and temperature of inversion [Ti] is |
| Answer» if the cold junction of a thermo-couple is kept at 0c and the hot junction is kept at T c then the relationn between neutral temperature [Tn] and temperature of inversion [Ti] is | |
| 9146. |
Give two uses of : (a) graphite (b) diamond |
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Answer» Give two uses of : (a) graphite (b) diamond |
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| 9147. |
A flask contains 3.2 g of sulphur dioxide. Calculate the followings: i) The number of molecules of sulphur dioxide at STP. ii) The volume occupied by 3.2 g of sulphur dioxide at STP. (S = 32, O = 16) |
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Answer» A flask contains 3.2 g of sulphur dioxide. Calculate the followings: i) The number of molecules of sulphur dioxide at STP. ii) The volume occupied by 3.2 g of sulphur dioxide at STP. (S = 32, O = 16) |
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| 9148. |
how does sigma bond determine the direction between carbon atom |
| Answer» how does sigma bond determine the direction between carbon atom | |
| 9149. |
If E¯ denote the complement or negation of an even E, what is the value of P(E) + P(E¯) ? |
| Answer» If denote the complement or negation of an even E, what is the value of P(E) + P() ? | |
| 9150. |
'X' Ltd. was formed with a capital of Rs. 15,00,000 divided into equity shares of Rs. 10 each. Out of these, 6,000 were issued into the vendors as fully paid as purchase consideration for a building acquired and 3,000 shares were issued to signatories to the Memorandum of Association as fully paid. The Directors offered 19,500 shares to the public and called up Rs. 6 per share and received the entire called up amount on shares allotted. Prepare a Balance Sheet showing Share Capital as per Schedule III Part I of Companies Act, 2013 from the above transactions in the books of 'X' Ltd. |
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Answer» 'X' Ltd. was formed with a capital of Rs. 15,00,000 divided into equity shares of Rs. 10 each. Out of these, 6,000 were issued into the vendors as fully paid as purchase consideration for a building acquired and 3,000 shares were issued to signatories to the Memorandum of Association as fully paid. The Directors offered 19,500 shares to the public and called up Rs. 6 per share and received the entire called up amount on shares allotted. Prepare a Balance Sheet showing Share Capital as per Schedule III Part I of Companies Act, 2013 from the above transactions in the books of 'X' Ltd. |
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