Chemistry Model Past Paper 2022 PDF

Part – 1 English

 Who laughs at you?
Answer: By whom are you laughed at?
Explanation: Passive voice transforms the question.
He has written a poem which fascinates everyone.
Answer: A poem has been written by him which fascinates everyone
How many books does she study?
Answer: How many books are studied by her?
 How long have you been ___ here?
Answer: waiting
I am sorry about what happened yesterday. It_____ happen again.
Answer: won’t
One must keep one’s promises.
Answer: One’s promises must be kept
 The king gave her a reward.
Answer: She was given a reward by the king
 They —– late every time
Answer: are
The ring was ________ by thieves?
Answer: stolen
Ten years ago, the earthquake _______ the city.
Answer: Destroyed (or Had destroyed)
 It is your duty to make tea at seven O clock.
Answer: You are supposed to make tea at seven O’ clock
(What) did he want you to do? Identify (what) in this sentence act as:
Answer: pronoun (Interrogative Pronoun)
 We ______ a party for Salman last month.
Answer: Threw
Tauheed is an _____ language word.
Answer: Arabic
 You should abide by this promise.
Answer: This promise should be abided by (by you).
Explanation: Passive voice conveys the same obligation.
 Whom does he look for?
Answer: Who is looked for by him?
She ________ two weeks ago.
Answer: came
By this time tomorrow he will __________ reached Karachi.
Answer: Have
His behaviour surprised us.
Answer: We were surprised at his behaviour
 They ________________ here next week to see my office.
Answer: Will come
The wound will __________ early.
Answer: Heal
Football will be and has played by a number of players.
Answer: A number of players will play and have played football
 If I —– to the party last night, I ___ met a lot of people.
Answer: had gone, would have
 Her results of final year examination surprised the teachers.
Answer: The teachers were surprised at her result of final year examination
Some people were helping the wounded man.
Answer: The wounded man was being helped by some people
The doctor advised him ______ eat rice.
Answer: not to

Part-I: Teaching Methodology

Pedagogy is the study of ______?
Answer: Teaching Methods and Strategies
The view that a single God exists is known as ______?
Answer: Theism
Teachers who reflect upon the goals they and their students try to achieve are?
Answer: Reflective Teachers
What is associated with fear and anger?
Answer: Amygdala
The administration of a principal is better evaluated by ______?
Answer: Teachers
 Examining child’s attention span and problem solving is examining ______?
Answer: Cognitive development
 Which one of the following focuses on teaching adults?
Answer: Andragogy
The university grants commission was established in ______?
Answer: 1974
In Islamic system of education teacher is the central figure and _____?
Answer: Spiritual father
Rules of presenting contents to make them easy are called?
Answer: Maxims of teaching
Early roots of psychology are firmly planted in physiology and ______?
Answer: Philosophy
Early roots of psychology are firmly planted in philosophy and ______?
Answer: Physiology
What distinguishes the concrete operational from the formal operational?
Answer: Concrete operations are carried out on things
 To impart knowledge or skill by instruction or example is ______?
Answer: Teaching
______ is the process of selecting a number of individuals for a study.
Answer: Sampling
 What is true about hypothesis?
Answer: These are always tested
 A research which has a classroom approach?
Answer: Action research
Chairperson of school council is _____?
Answer: Head teacher
 According to Piaget, young children express their ______ in second stage.
Answer: Egocentric thoughts
The goal of teaching is ______?
Answer: Desirable change of behavior
Which objective is related to the affective domain?
Answer: Students can value honesty
Bring together scientific ideas to form a unique idea is _____?
Answer: Synthesis
If the results of the test and effect are the same, it is called _____?
Answer: Reliability
Growth potential of healthy people was emphasized by ______?
Answer: Humanistic psychology
 Which ability do children develop in concrete operational stage?
Answer: Ability to conserve

Part – II Chemistry

 The error caused by improper functioning of instrument is ______?
Answer: Systematic Error
 Which of the following can be separated by physical means?
Answer: Mixture
Electron pairs which are not shared by atoms are called?
Answer: Lone pairs
 De Broglie extend the wave particle duality to electron in ______?
Answer: 1923
According to Mosely the chemical properties of elements are the periodic function of their?
Answer: Atomic Number
Ethyl alcohol was prepared by ______?
Answer: Al-Razi
Substances that react with both acids and bases are called?
Answer: Amphoteric substances
The Empirical formula of hydrogen peroxide is _______?
Answer: HO
The periodic table divided into S, P, d, and f block based on _______?
Answer: Electronic Configuration
Name the material of screen which used in Rutherford atomic model?
Answer: Zinc sulphide
 If proton number is 19, electron configuration will be ______?
Answer: 2, 8, 8, 1
The Molecule consist of two atoms is _____?
Answer: Di atomic molecule
If nucleon number of potassium is 39, number of neutrons will be _______?
Answer: 20
Which of the following is a homo atomic?
Answer: H2
 In an atom number of protons and neutrons are added to obtain ________?
Answer: Number of nucleons
Ionic crystals have ______?
Answer: High melting points
 When two identical atoms share electron pairs and exert force on each other than bond form is ______?
Answer: Non-polar covalent bond
 4th and 5th period in periodic table are known as?
Answer: Long period
 Strength of intermolecular forces from ionic or covalent bond is _______?
Answer: Weaker
Interaction between highly electron deficient hydrogen and highly electronegative atom is called?
Answer: Hydrogen bond
The isotope C-12 is present in abundance of _______?
Answer: 98.8%
Two fluorine atoms share one electron each in their outermost shell to achieve electronic configuration of ______?
Answer: Ne
 A formula that indicates actual number and type of atoms in a molecule is called?
Answer: Molecular formula
The elements of VIIA group are known as ______?
Answer: Halogens
 How many sub-shells in a L shell?
Answer: Two
All Transition Elements are _____?
Answer: Metals
 Noble gases are stable because they contain _____?
Answer: 8 electrons in valence shell
 The general formula for alkanes is _____?
Answer: CnH2n+2
 Which one of the following is most penetrating?
Answer: Neutron
The ability to attract shared pair of electron is called ______?
Answer: Electronegativity
Synthetic resins are used on places where _______?
Answer: Adhesion is required
 Which of the following gases has role an important in maintaining atmospheric temperature?
Answer: Carbon dioxide
 In group electron affinity values decreases from top to bottom because ______?
Answer: Atomic size increases
Atom which loses two electrons from its outer shell to form ion is called?
Answer: Magnesium
 Bond formed by mutual sharing of electron is ______?
Answer: Covalent bond
The molar mass of H2SO4 is ______?
Answer: 98 gm
The atomic mass of an element expressed in gram is ______?
Answer: Gram atomic mass
A non-metal atom form anion by ______?
Answer: Gain of electrons
 A piece of matter in pure form is termed as ______?
Answer: Substance
Number of electrons lost by atoms of group IIIA equals ______?
Answer: 3
Hemoglobin is soluble in ______?
Answer: Water
Ozone layer is part of ______?
Answer: Stratosphere
Tendency of atoms to acquire eight electrons in their valence shell is ______?
Answer: Octet rule
In 1869 Mandeleev put forward his periodic law about _____?
Answer: Atomic Mass
 Glucose is ______?
Answer: Carbohydrate
When one atom forms cation by losing electron and other forms anion by accepting that electron then bond form between them is ______?
Answer: Ionic bond
Oxygen belongs to group VIA so number of electrons in its valence shell are _____?
Answer: 6
Which rays are used for sterilization of medical instruments?
Answer: γ-rays
At room temperature most of ionic compounds are ______?
Answer: Crystalline solids
Bond which involve 3 shared electron pairs is a ______?
Answer: Triple covalent bond

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