BlogHide Resteemssthinzar (38)in feely • 6 years agonaing lu maDefine the following terms. (8 marks) (a) Electron affinity (b) Gay-lussac’s law of oxidation number (c) Molarity (d) Electrolysis (e) Reduction in terms of oxidation number (f) A…sthinzar (38)in lef • 6 years agowwg dn. 2 B. 1 C.2/π D.1/π E.1/2 An arc PQ subtends an angle of 120° at the centre of a circle of radius 1 cm. The length of arc PQ is A. 120 cm B. 60 cm C. π/6cm D. 2π/3cm…sthinzar (38)in fpd • 7 years agoseemoyExercise 1.3 M = {x/x is an integer , and -3sthinzar (38)in doei • 7 years agonaweil laya _____ quantity. (15) Velocity has both _____ and direction. (16) The rate of change of distance travelled is called _____ . (17) Uniform motion is motion with _____ velocity. (18) Any change…sthinzar (38)in xmr • 7 years agomonth mathcomponent is ……… . Key>>> 1.vector 2. force 3. zero 4.force 5. vector component 6.opposite 7.cector 8. scalar 9. same…sthinzar (38)in anak • 7 years agomyauk khin(Answer ALL Questions) 1.Write TRUE or FALSE for each of the following statements. (7 marks) (a) A metallic bonding is observed in metals. (b) One molecule of hydrogen weigh 2g.(H=1) (c)…sthinzar (38)in jme • 7 years agodsli sl. A unit is a ……….. quantity. 2.standard Mass is a ……..quantity. 3.basic 4.Area is a ……….quantity. 4.derived 5.The British system is also called the ……. system. 5.FPS Length …sthinzar (38)in taung • 7 years agojkh8i jthe following statement True (or) False? (1) There are two types of motion. (2) Uniform motion is motion at constant speed. (3) Average velocity is a vector quantity. (4) Acceleration is a…sthinzar (38)in mdon • 7 years agokoshos dmiFrom the following equation, identify oxidizing and reducing agents .Give reason for your answer. 2H2O + 2Br2 → O2 + 4HBr (f) Which elements (s) N or P or K is not…sthinzar (38)in mse • 7 years agoeosnnsspeed 22.grater 23.velocity 24. acceleration 25.distance Are the following statement True (or) False? (1) There are two types of motion. (2) Uniform motion is motion at constant speed.…sthinzar (38)in taunf • 7 years agolpc sjf s28.The distance between the origin and the point (-5,12) is A.5 B.12 C.7 D.13 E.17 △ABC has vertices A(0,7), B(5,-5) and C(10,7). The area of △ABC is A.50 B.60 C.80…sthinzar (38)in mcp • 7 years agomoein msctime 19. balance 20. 〖10〗^(-3) 21.smallest clock 23. 2 × 〖10〗^8 s 24. Mathematics 25. 3.17×〖10〗^7 26.〖10〗^41 27. 66…sthinzar (38)in ashi • 7 years agomath8bhisaxviii)Deoxyribonucleic acid is normally a ………. molecule with capacity for self-replication . (xix) The selection done by man is called ………..selection. (xx) Animal in an ecosystems are………..…sthinzar (38)in bmc • 7 years agouooper 7j20.If log_10x1 If log_10x=0.35, then log_10√x=………. A. -1.75 B.-0.175 C. 0.175 D. 3.5 E. 0.7 Simplify (log√x+log〖x^(3/2) 〗)/(4 log√x ) A.logx B.1 C.0 D.1/2…sthinzar (38)in lac • 7 years agomoin laki9 B.10 C.11 D.12 E.13 Given that the class interval is 34-38. Which of the following is (are) true? The class limits of the interval are 34 and 38. The midpoint of the…sthinzar (38)in slc • 7 years agosoemoe thub^2 B.4a+2b C.8ab D. a^2 b^2 E. None of them 3+log_25=…….. A.log_240 B.log_24 C.log_2150 D. log_215 E.log_260 log0.01=……… A. 2 B. -2 C.1/2 D.-1/2…sthinzar (38)in jow • 7 years agojoejoe) Displacement has only magnitude. (15) Speed is a vector quantity. (16) Average velocity has only direction. (17) Acceleration is the rate of change of speed. (18) Average speed and average…sthinzar (38)in mec • 7 years agomatng6The mean of five numbers is 10 and the mean of two of them is 13. The mean of the remaining three is A. 7 B.8 C. 12 D.23 E.24 There are seven numbers arranged in row, whose mean is…sthinzar (38)in mxp • 7 years agomoinnay l.3/2 B.2/3 C.5/27 D.3/25 E. 5×27 10.If x=log_ba,y=log_cb,z=log_ac, then xyz=………… A. 0 B. 1 C.-1 D. abc E. a+b+c If log2=a, then =……. A.a^2 B.2.5a C.1+a…sthinzar (38)in thay • 7 years agonlonin mthayA quadrilateral has as vertices the points M(a,b), N(c,d), Q(c+d,e), P(a+d,e). Find the slope of each side. C is the mid-point of AB, A if the point (-3,-2), and B is the point (2,8). What is…