keyExercise 2.1 1.Find the slope of each line which contains each pair of points listed below. (a) (0,0) and (8,4) (b) (10,5) and (6,78) (c) (2,-2) and (4,2) (d) (0,3) and (-2,3) (e) (-2,0) and (0,6) (f)

(b) The properties of steel depend upon the ……….. . (c) Ammonia gas has a characteristic ………. smell. (d) Hydrogen sulphide has weak ………. properties. (e) Halogens have essential electronic structure of

Answer ALL Questions 1.Write True or False. (4- marks ) (a) Mass cannot be change by the location , shape and speed of the body. (b) Different vector quantities like velocity and force cannot be added.

Explain how vegetative propagation takes place in strawberry and potato. (f) Clarify what you understand of diploid and haploid condition in cell division. (OR) State what factors cause main effects on

W D.𝑝2 E.1 The value of 2−1−1−1is A.2 B.-2 C.−12 D.14 E.12 7.532532 =……. A.1 B.0 C.25 D.125 E.625 8.−1−1 +−10 =………. A. 2 B.1 C.0 D. -1 E.-2 Which of the following is (are) false? 1.𝑎+𝑏2 =𝑎2 +𝑏2 2.𝑎+𝑏

={1,5,7} then (A\B)∪ (B\A)=……… A. ∅ B.{1,3,5} C. {2,3,4,6,8} D.{1,2,3,4,5,6,7,8} E.It is impossible to determine 29.Let S={1,2,3,4,5} be the universal set. If A∩B´={1,2} and B´={1,2,3}, then A∪B=……. A.

E • Defn Che kyawthaung (25) in dfn • 1 hour ago 2are negatively charged panicles move outside/ anyaround the nucleus 'in circular or' near circular orbits. Protons are positively charged particles •resi<g

WE.-2 Given that the points A(-5,4), B(3,5), C(7,-2) and D(-1,-3). The measurement of the angle between AC and BD is A.0° B.30° C.45° D.60° E.90° 13.Given that the points P(-12,1), Q(9,3) and R(11,-18).

will determine a horizontyal line? A.(3,5) and (-3,5) B.(4,2) and (2,4) C. (6,1) and (-6,-1) D.(4,7) and (-3,7) E.(0,5) and (3,0) 6.Which of the following statement is (are) true? 1.If m>0 , then the