CBSE Class 11 Chemistry Volumetric Assignment
CBSE Class 11 Chemistry Volumetric Assignment. Students are advised to refer to the attached assignments and practice them regularly. This will help them to identify their weak areas and will help them to score better in examination. Parents should download and give the…
CBSE Class 11 Chemistry The s Block Elements Assignment
ONE MARK QUESTIONS 1. Explain giving reasons: a) Lithium is not used in photoelectric cells. b) Magnesium does not impart colour to flame. c) Potassium carbonate cannot be prepared by Solvay process. d) Lithium carbonate is stored in an atmosphere of CO2. e) Stability of…
CBSE Class 11 Chemistry The p Block Elements Assignment
The P Block Elements MCQ Questions with Answers Class 11 Chemistry Question- When Al is added to KOH solution (a) no action takes place (b) oxygen is evolved (c) water is produced (d) hydrogen is evolved Answer-(d) Question- H3BO3 on heating up to 373…
CBSE Class 11 Chemistry Structure of Atom Assignment
Structure Of Atom MCQ Questions with Answers Class 11 Chemistry Question- What is the ratio of mass of an electron to the mass of a proton? (a) 1 : 2 (b) 1 : 1 (c) 1 : 1837 (d) 1 : 3 Answer-(c) Question- The velocity of particle A is 0.1 ms–1 and that of…
CBSE Class 11 Chemistry States of Matter Assignment
Question. Dipole-induced dipole interactions are present in which of the following pairs? (a) HCl and He atoms (b) SiF4 and He atoms (c) H2O and alcohol (d) Cl2 and CCl4 Answer. A Question. Which one of the following is the correct order of interactions? (a) Covalent <…
CBSE Class 11 Chemistry Salt Analysis Assignment
CBSE Class 11 Chemistry Salt Analysis Assignment. Students are advised to refer to the attached assignments and practice them regularly. This will help them to identify their weak areas and will help them to score better in examination. Parents should download and give the…
CBSE Class 11 Chemistry Redox Reactions Assignment
Question. The oxidation number of Cr in K2Cr2O7 is: a. +6 b. – 7 c. +2 d. – 2 Answer : A Question. The oxidation state of nitrogen is highest in: a. N3H b. NH2OH c. N2H4 d. NH3 Answer : A Question. What is the net charge on ferrous ion? a. + 2 b. + 3 c. + 4 d. + 5 Answer : A…
CBSE Class 11 Chemistry Organic Chemistry Assignment
CBSE Class 11 Chemistry Organic Chemistry Assignment. Students are advised to refer to the attached assignments and practice them regularly. This will help them to identify their weak areas and will help them to score better in examination. Parents should download and give the…
CBSE Class 11 Chemistry Melting Point Assignment
Experiment Number: _____ Date: ___/___/ Aim: - To determine the melting point of the given sample. Materials required: - Thermometer, Capillary tube (or fusion tube), Beaker (100ml), water (or paraffin wax), Glass rod, Tripod stand, Iron stand, Wire gauze, Bunsen burner etc…
CBSE Class 11 Chemistry Hydrocarbons Assignment
Question-Calcium carbide when treated with water gives : (a) ethylene (b) methane (c) acetylene (d) ethane Answer-(c) Question-Aromatic compounds burn with sooty flame because (a) they have a ring structure of carbon atoms (b…
CBSE Class 11 Chemistry Environmental Chemistry Assignment
ONE MARK QUESTIONS 1. Define environmental pollution. 2. Carbon monoxide is more harmful pollutant than carbondioxide. Explain 3. Name the pollutant gas that causes stiffness and fall off flower buds in plants. 4. Mention the effect of increased concentration of…
CBSE Class 11 Chemistry Classification Of Elements And Periodicity In Properties Assignment
Classification Of Elements And Periodicity In Properties MCQ Questions with Answers Class 11 Chemistry Question- Newlands could classify elements only upto – (a) copper (b) chlorine (c) calcium (d) chromium Answer-C Question- Mendeleev classified elements in (a)…
CBSE Class 11 Chemistry Chromatography Assignment
Aim: To separate coloured compounds from the given mixture (containing red and blue inks) by ascending paper chromatography and compare the Rf values of the components present. Requirements: Chromatography paper, gas jar, capillary tube, ruler, pencil, mixture of inks,…
CBSE Class 11 Chemistry Chemical Equilibrium Assignment
Question. Find out the solubility of Ni(OH)2 in 0.1 M NaOH. Given that the ionic product of Ni(OH)2 is 2 × 10–15. (a) 2 × 10–13 M (b) 2 × 10–8 M (c) 1 × 10–13 M (d) 1 × 108 M Answer. A Question. The pH of 0.01 M NaOH(aq) solution…
CBSE Class 11 Chemistry Chemical Bonding and Molecular Structure Assignment
Chemical Bonding and Molecular Structure MCQ Questions with Answers Class 11 Chemistry Question. In a regular octahedral molecule, MX6 the number of X – M – X bonds at 180º is (1) Three (2) Two (3) Six (4) Four Answer (1) Question. In which of the…