1) Protons have a charge of a) +1 b) -1 c) 0 d) 1/1840 2) The number of protons and neutrons in a neutral atom is a) can be the same b) are never the same c) must be the same d) are in the ratio1:12 3) The number of protons and electrons in a neutral atom: a) are always different b) are the same c) are sometimes different d) can change 4) Noble gases a) are very reactive b) form compounds with alkali metals c) have a full outer level of electrons d) lose electrons easily 5) What is the electron configuration of Al? a) 2, 8, 1 b) 2, 8, 2 c) 2, 8, 3 d) 2, 8, 8, 1 6) What is true about ISOTOPES? a) atoms with same mass number b) atoms with different number of neutrons c) atoms with different number of electrons d) atoms with different number of protons 7) Atom X has a RAM of 22 and an atomic number of 12, what is true? a) e: 12, p:12, n:10 b) e: 12, p:10, n:12 c) e: 10, p:12, n: 12 d) e: 10, p:10, n:12 8) Particles have the strongest intermolecular forces of attraction in which state? a) Solid b) Liquid c) Solution d) Gas 9) Which state does the particles have the highest kinetic energy? a) Solid b) Liquid c) Solution d) Gas 10) The process whereby solid changes directly to gas is called? a) Melting b) Evaporation c) Sublimation d) Boiling 11) Gases diffuse faster than liquids a) True b) False 12) Evaporation and Boiling is the same thing a) True b) False 13) In the experiment with formation of ammonia chloride which is false a) HCl is more dense b) NH3 is less dense c) White ring forms closer to NH3 d) White ring forms closer to HCl 14) In covalent bonds the electrons are: a) lost b) gained c) shared d) not involved 15) The atoms in a molecule of hydrogen are joined together by a) ionic bonds b) static electricity c) covalent bonds d) double bonds 16) Ionic bonding takes place between a) metal and non metal b) metal and metal c) non metal and non metal d) can be both metal or both non metals 17) Which is true for Anions? a) Anion is positively charged b) Anion loses electrons c) Anion neither loses nor gains electrons d) Anion is negatively charged 18) What is the charge of Mg? a) +1 b) -1 c) +2 d) -2 19) Ionic compounds conduct electricity in solid state. a) True b) False 20) Which of the following about Graphite is false? a) has low mp and bp b) less dense than diamond c) conducts electricity d) soft material 21) Diamond and Graphite are allotropes. a) True b) False 22) An alloy is a) a type of element b) a compound of metals c) a mixture of aluminum d) a mixture of metals  23) Which of the following is NOT a method of separation? a) Chromatography b) Filtration c) Melting d) Distillation 24) Fractional Distillation separates liquids which have a) different colours b) similar/close boiling points c) different boiling points d) different conductivities 25) The color of sugar is removed by  a) adding charcoal b) boiling  c) filtering  d) none of these 26) In the separating funnel, liquids do not mix, less dense liquid floats on top denser liquid a) True b) False 27) Suspensions are formed when tiny drops of one liquid are dispersed in a second liquid a) True b) False 28) In the periodic table, elements are arranged according to a) atomic mass b) atomic weight c) atomic number d) colour 29) Elements in the same group are a) similar b) different c) metals d) non-metals 30) Metals react with acids to form salt and a) water b) hydrogen c) carbon dioxide d) precipitate 31) Group 0 has full outermost electrons on its valence shell. a) True b) False 32) As you move across a period the number of shells remains the same a) True b) False 33) Which group does sodium belong to? a) 0 b) 1 c) 2 d) 3 34) Sulphur is a non metal. a) True b) False 35) Generally solubility decreases with increase in temperature. a) True b) False

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