Chemistry Past Papers – Fbise Model Papers
Model Question Paper Chemistry Past Papers – Fbise Model Papers. In the paper you will find Section-A of the paper is compulsory and comprises pages 1-2. Whereas all the parts of this section are to be answered on the question paper as well. Chemistry Past Papers – Fbise Chemistry Model Papers 2023.
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Here you can see the questions below and check the idea of the paper. . It should be completed in the the time slot given at the start. Chemistry Past Papers – Fbise Model Papers .
Pas paper SSC ANNUAL EXAMINATION 2022 _ Chemistry Past Papers – Fbise Model Papers
Rubrics- CHEMISTRY SSC- II (LOCAL)
| Q.# | Criteria defined | Level -1 (Marks) | Level – 2(Marks) | Level -3 (Marks) | Level -4 (Marks) | Level- 5 (Marks) | Level 6 (Marks) | |
| Writing equilibrium constant expression (Kc) for given reactions. | Writing three correct Kc expressions (3) | Writing two correct Kc expressions (2) | Writing any one correct Kc expressions (1) | Wrong answer (0) | ||||
| State three necessary conditions for equilibrium | Writing three correct conditions for chemical equilibrium (3) | Writing two correct conditions for chemical equilibrium (2) | Writing one correct condition for chemical equilibrium (1) | Wrong answer (0) | ||||
| Writing any three chemical equations of halogenation of methane | Writing three correct chemical equations (3) | Writing two correct chemical equations (2) | Writing one correct chemical equation (1) | Wrong answer (0) | ||||
| List three applications of PH scale in daily life. | Writing three correct applications (3) | Writing two correct applications (2) | Writing any one correct application (1) | Wrong answer (0) | ||||
| Classification of the given organic compounds into straight, Branched and Homocyclic compounds. | Writing three correct Classifications (3) | Writing two correct classifications (2) | Writing any one correct classification (1) | Wrong answer (0) | ||||
| Importance of DNA and RNA | Writing correct importance (3) | Partially correct importance (2) | Any relevant information (1) | Wrong answer (0) | ||||
| Drawing condensed structural formula of the given three compounds | Drawing three correct condensed structural formulae (3) | Drawing two correct condensed structural formulae (2) | Drawing one correct condensed structural formula (1) | Wrong answer (0) | ||||
| Number of carbon atoms in the given six petroleum fractions. | Writing six correct fractions.(3) | Writing five correct fractions.(2.5) | Writing four correct fractions.(2) | Writing three correct fractions.(1.5)
| Writing two correct fractions. (1) | Writing one correct fraction (0.5) | Wrong (0) | |
| ) | Conversion of given alkanes into alkyl radicals. | Writing three correct alkyl radicals (3) | Writing two correct alkyl radicals (2) | Writing one correct alkyl radicals (1) | Wrong answer (0) | |||
| ) | Differentiation between oil and fats. | Writing three correct differentiations (3) | Writing two correct differentiations (2) | Writing one correct differentiation. (1) | Wrong answer (0) | |||
| Uses of the given Enzymes | Writing correct use of each three given enzyme. (3) | Writing correct use of each two given enzyme. (2) | Writing correct use of each one given enzyme. (1) | Wrong answer (0) | ||||
| Justification of ” ice floats on water surface” | Writing correct justification (3) | Partially correct response (2) | Any relevant information(1) | Wrong answer (0) | ||||
| 2(xiii) | Sources of the given three Air pollutants | Writing correct sources of three pollutants (3) | Writing correct sources of two pollutants (2) | Writing correct source of one pollutants (1) | Wrong answer (0) | |||
| General Characteristics of organic compounds on the basis a) Homology b) solubility c) reaction rates. | Writing three correct characteristics (3) | Writing two correct characteristics (2) | Writing one correct characteristics (1) | Wrong answer (0) | ||||
| Identification of two functional groups in the given molecule | Writing two correct functional groups (3) | Writing one correct functional group (1.5) | Wrong answer (0) | |||||
| Writing complete and balance equations (a) Copper oxide reacts with dilute Sulphuric Acid (b) Zinc hydroxide reacts with Dil.Hydrochloric Acid | Writing correct and balanced equation (3) | Partially correct response (2) | Any relevant information’s (1) | Wrong information (0) | ||||
| Writing correct and balanced equation (3) | Partially correct response (2) | Any relevant information’s (1) | Wrong information (0) | |||||
| State/define the Arrhenius concept of acids & bases with examples | Correctly stating/defining the concept of acids (2) | Partially correct (1) | Relevant information (0.5) | Wrong answer (0) | ||||
| Correctly stating/defining the concept of bases (2) | Partially correct (1) | Relevant information (0.5) | Wrong answer (0) | |||||
| 4 (a) | Steps for the preparations of oxalic acid from Ethyne. | Writing correct reactions of each step (3) | Partially correct response (2) | Any relevant information (1) | Wrong (0) | |||
| Correct products names (1) | Partially correct (0.5) | Wrong (0)
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| 4 (b) | Description of urea with formula and uses | Writing Correct explanation with formula (3) | Partially correct response (2) | Any relevant information (1) | ||||
| Correct three uses (3) | Correct two uses (2) | Correct one use.(1) | Wrong answer (0) | |||||
| 5 (a) | Differentiation between saturated and unsaturated Hydrocarbons | Writing correct differentiation (6) | Partially correct response (4) | Any relevant information (2) | Wrong answer (0) | |||
| 5 (b) | Analysis of any four harmful effects of acid rain | Writing correct four effects of Acid rain (4) | Writing correct three effects of Acid rain (3) | Writing correct two effects of Acid rain (2) | Writing correct one effect of Acid rain (1) | Wrong answer (0) | Chemistry Past Papers – Fbise Model Papers | Chemistry Past Papers – Fbise Model Papers |
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