CBSE Class 12 Chemistry Sample Paper 2020 Solved Set B

CBSE Class 12 Chemistry Sample Paper 2020 Solved Set B. CBSE issues sample papers every year for students for Class 12 board exams. Students should solve the CBSE issued sample papers to understand the pattern of the question paper which will come in class 12 board exams this…

CBSE Class 12 Chemistry Sample Paper 2020 Solved Set A

CBSE Class 12 Chemistry Sample Paper 2020 Solved Set A. CBSE issues sample papers every year for students for Class 12 board exams. Students should solve the CBSE issued sample papers to understand the pattern of the question paper which will come in class 12 board exams this…

CBSE Class 12 Chemistry Sample Paper 2019 Solved

CBSE Class 12 Chemistry Sample Paper 2019 Solved. CBSE issues sample papers every year for students for class 12 board exams. Students should solve the CBSE issued sample papers to understand the pattern of the question paper which will come in class 12 board exams this year.…

CBSE Class 12 Chemistry Sample paper 2018 Set A

  1. The following figure shows the variation of adsorption of N2 on charcoal with pressure at different constant temperatures: Arrange the temperatures T1, T2 and T3 in the increasing order. 2. Give the formula of a noble gas species which is isostructural with IBr2-. 3.…

CBSE Class 12 Chemistry Sample paper 2017 Solved Set A

  1. Define Kraft temperature.  2. The electronic configuration of a transition element in +3 oxidation state is [Ar]3d7. Find out its atomic number. 3. Draw the structure of 4-tertbutyl-3-iodoheptane. 4. Give the equation of reaction for the preparation of phenol from cumene…

CBSE Class 12 Chemistry Sample paper 2017 Set B

    Please click the link below to download CBSE Class 12 Chemistry Sample paper 2017 Set B

CBSE Class 12 Chemistry Sample paper 2017 Set A

  Q.1 How may the conductivity of an intrinsic semiconductor be increased?  Q.2 Why does a solution of chloroform and acetone show negative deviation from Raoult’s law?  Q.3 Why does physisorption decrease with the increase in temperature?  Q.4 What type of drug is aspirin?…

CBSE Class 12 Chemistry Sample paper 2017 Set D

  1. The following figure shows the variation of adsorption of N2 on charcoal with pressure at different constant temperatures: Arrange the temperatures T1, T2 and T3 in the increasing order. 2. Give the formula of a noble gas species which is isostructural with IBr2-. 3.…

CBSE Class 12 Chemistry Sample paper 2017 Set C

  1. What type of defect can arise when a solid is heated? Which physical property is affected by it? 2. In an aqueous solution how does specific conductivity of electrolytes change with addition of water? 3. For a certain reaction, large fraction of molecules has energy more…

CBSE Class 12 Chemistry Sample paper 2015 Set D

  1. What type of interactions hold the molecules together in a polar molecular solid? 2. What are the physical states of the dispersed phase and the dispersion medium of froth ? 3. Differentiate molarity and molality of a solution? 4. Which is a stronger acid in aqueous…

CBSE Class 12 Chemistry Sample paper 2015 Solved Set E

  Q. 1. A cubic solid is made of 2 elements P & Q are at the corners of the cube & P at the body centre. What is the formulae of the compound ? What are the coordination no. of P & Q ? Ans. At the corners each atom is equal to 1/8 ∴total Q =1/8 × 8 = 1 atom ∴…

CBSE Class 12 Chemistry Sample paper 2018 Set B

  Q.1 Zinc oxide is white but it turns yellow on heating. Explain. Q.2 What is the principle of dialysis? Q.3 What happens when n-butyl chloride is treated with alcoholic KOH? Q.4 Which of the following is an antiseptic 0.2% phenol or 1% phenol? Q.5 Name the monomers of Nylon-…

CBSE Class 12 Chemistry Sample paper 2015 Solved Set D

Please click the link below to download full pdf file for CBSE Class 12 Chemistry Sample paper 2015 Solved Set D

CBSE Class 12 Chemistry Sample paper 2015 Solved Set C

Please click the link below to download full pdf file for CBSE Class 12 Chemistry Sample paper 2015 Solved Set C

CBSE Class 12 Chemistry Sample paper 2015 Set C

  1. Which point defect in its crystal units increases the density of a solid? 2. What is meant by an elementary reaction? 3. Name the two types of adsorption of gases on solids. 4. What is the role of collectors in Froth Floation process? 5. What is the IUPAC name of: [Ag(NH3…