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CBSE Class 10th Chemistry (Science) Practice Paper for Board Exam 2019

Nov 22, 2018 10:04 IST
    Class 10 Chemistry Practice Paper
    Class 10 Chemistry Practice Paper

    For the students of CBSE class 10, we are providing here a practice paper for Chemistry part of Science subject. This paper contains questions picked from all conceptual and important topics of Chemistry. Questions asked in this practice paper will not only help students to get an idea of the important topics to be prepared for the upcoming Board Examination 2019, but will also help them in understanding the depth with which these topics should be studied.

    CBSE Class 10 Chemistry practice paper is specially prepared by the subject experts after the brief analysis of previous year question papers and the latest syllabus for class 10 Science. Therefore, this practice paper will definitely act as an essential tool to gain proficiency in the topics of Chemistry which is much required to score high marks in board exams.

    Few sample questions from the Question Paper are given below:

    Q. How does the metallic character of the elements of group I changes as we if we move downwards.

    Q. What is the reason that carbon atom forms only covalent compounds?

    Q. Discuss the variance of valency and metallic character of elements when  moving from left to right in a period?

    Q. What do you mean by the functional group present in an organic compound. Write the formula of the functional group present the following compounds:

    (a) Alcohol

    (b) Aldehyde

    (c) Ketones

    (d) Carboxylic acid.

    CBSE Class 10 Syllabus 2018-2019: All Subjects

    Q. A carboxylic acid (molecular formula C2H4O) reacts with an alcohol in the presence of an acid catalyst to form a compound 'X'. The alcohol on oxidation with alkaline KMnO4 followed by acidification gives the same carboxylic acid C2H4O2. Identify the carboxylic acid, alcohol and the compound 'X' and write the structure of each.

    Q. A carboxylic acid (molecular formula C2H4O) reacts with an alcohol in the presence of an acid catalyst to form a compound ‘X’. The alcohol on oxidation with alkaline KMnO4 followed by acidification gives the same carboxylic acid C2H4O2. Identify the carboxylic acid, alcohol and the compound ‘X’ and write the structure of each.

    Q. State the properties of carbon which enable it to form a large number of compounds. Also state the type of bonding found in most of its compounds.
    Give reason why the carbon compounds
    (i) Generally have low melting and boiling points.
    (ii) Do not conduct electricity in molten state.

    Q. while studying saponification reaction for the preparation of soap, the teacher suggested to a student to add a small quantity of common salt to the reaction mixture. The function of comnnon salt in this reaction is to:
    (a) Reduce the alkalinity of the soap
    (b) Reduce the acidity of the soap
    (c) Enhance the cleansing capacity of soap
    (d) Favour precipitation of soap.

    Download the complete practice paper from the following link:

    CBSE Class 10 Chemistry (Science) Practice Paper

    This practice paper is specially prepared by the subject experts after the brief analysis of previous year question papers. Practicing this paper will help you know your weak areas which you need to revise to fine-tune your preparations. This way you may access your preparedness for the exam.

    To get more of such useful articles for the preparation of CBSE Class 10 Board Exam 2019, click here.

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