JSUNIL TUTORIAL, SAMASTIPUR 10TH CARBON AND COMPOUND MCQ
Q1. Which of the following is not a saturated hydrocarbon ? i) Cyclohexane. ii) Benzene. iii) Butane iv) isobutene Q2.The bond between two identical non metallic atom has a pair of electron ? i) unequally shared between two atoms. ii) Transferred completely from one atom to another. iii) With identical spins iv) Unequally shared between them. Q3. Covalent compounds are generally i) Soluble in water ii) Insoluble in water iii) Ionize in water iv) Hydrolyse in water Q4. Propane with the molecular formula C3H8 has i)7covalent bonds ii)8 covalent bonds iii)9 covalent bonds iv) 10 Covalent bonds. Q5. A hydrocarbon reacts with ammonical cuprous chloride solution to form a red precipitate . The hydrocarbon is i)ethane ii)ethene iii)butane iv)1-propyne Q6.Which of the following substance is added to denature Ethanol ? i)methanol ii)pyridine iii)copper sulphate iv)all of them Q7. Which of the following is not an allotropic form of carbon i)fluorine ii)fullerene iii)diamond iv)graphite Download full paper Visit
1 Comment
CTET: TET Sample paper Model Paper Test paper Child development and Pedagogy CTET/TET_teacher_eligibility_ test_ child_ pedagogy__solved paper-1 Download File CTET/TET_teacher_eligibility_test_child_ pedagogy __solved paper-2 Download File CTET/TET_teacher_eligibility_test _child _ pedagogy __solved paper-3 Download File ctet_tet_teacher_eligibility_test_child_pedagogy__solved_paper -4 Download File ctet__tet_teacher_eligibility_test_child_pedagogy__solved_paper-5 Download File ctet__tet_teacher_eligibility_test_child_pedagogy__solved_paper-6 Download File For more paper Solved Question Paper/Sample Paper/Model Paper Science Solved Question Paper/Sample Paper/Model Paper Child development and Pedagogy 1. To prevent the misuse of alcohol which poisonous substance is added in it?
(a. Methanol (b.) Ethanol (c.) Butanol (d.) Ether 2. Which Substance is used as pickles preservative? (a.) Ether (b.) Acetic acid (c.) Vinegar (d.) Ethanoic acid 3. Carboxylic acids are called. (a.) Inorganic Compound (b.) Organic Compound (c.) Hydrocarbon Compound (d.) Acetic acid 4. In modern periodic table how many columns are vertically arranged? (a.) 16 (b.) 18 (c.) 14 (d.) 20 5.In what way Mendeleev's published his periodic table. (a.) Radio (b.) Television (c.) Magazine (d.) Newspaper 6.In an experiment to determine the focal length of a convex lens, a student obtained a sharp inverted image of distant tree on the screen behind the lens. He / She then removed the screen and looked through the lens in the direction of object. She / He will see. - (a.) An inverted image of tree at focus of lens. (b.) No Image as the screen has been removed (c.) A blurred image on the wall of laboratory (d.) An erect image of the tree on the tree on the lens 7. For doing experiment on verifying the Causes of reflection of sound. A student sets up his apparatus as shown. The experiment is more likely is get performed successfully if the screen shown is (a.) Well polished plane mirror (b.) Wooden board with many holes in it (c.) A foam padded board (d.) A sheet of pure white cloth 8. The focal length of a concave mirror depends on it. (a.) Size (b.) Radius of curvature (c.) Pole (d.) Center of curvature 9.The diameter of the reflecting surface of spherical mirror is called. (a.) Focal length (b.) Radius of curvature (c.) Aperture (d.) Principal focus 10. To form complete image of the object height of the mirror is. (a.) Double (b.) Half (c.) One – Fourth (d.) Same size as object 11. The magnification of plane mirror is(a.) -1 (b.) +1 (c.) 0 (d.) Infinitive 12. . What is catenation ? 13. Name the structure of diamond and graphite? 14. Which organic compound made in laboratory. By whom and when? 15. Name that inorganic compound by which organic compound is formed also write their formula. 16. Why carbon atoms always form covalent bond? 17. Name two elements which shows catenation but they are unstable? 18. Why kitone group can never occur at the end of carbon chain? 19. Why do substances burn with flame? Name their types? 20. Why mixture of acetylene and air is not used for welding? 21. People use a variety of methods to wash cloths. Usually after adding the shop, they beat the cloths on a stone or beat it with a paddle, scruib with a brush or mixture is agitated in a washing machine. Why is agitation necessary to get clean clothes? 22. Besides gallium, which other elements have since been discovered that were left by Mendeleev in his periodic table? 23. Explained why stars twinkle but why plants do not twinkle? 24. Why do we have two eyes for vision and not just one? 25. When and by whom dispersion of light experimentally discovered? For more Sample CBSE Paper Visit link GENERAL INSTRUCTIONS :
1. All questions are compulsory. 2. The question paper consists of 34 questions divided into four sections, namely Section A : 10 questions (1 mark each) Section B : 8 questions (2 marks each) Section C : 10 questions (3 marks each) Section D : 6 questions (4 marks each) 3. There is no overall choice. However, internal choice has been provided in 1 question of two marks, 3 questions of three marks and 2 questions of four marks each. 4. Use of calculators is not allowed. 10th_maths_sample_paper_2011-2012 -1 Download File 10th_maths_sample_paper_2011-2012 -2 Download File 10th_maths_sample_paper_2011-2012_-3 Download File Fore more solved sample paper visit NEW Addition
|
Blog SeaRCH Link
All
Join Us For Update |