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** Organisation **: A.P.J Abdul Kalam Welfare Society

**: All India Bright Student Award Test 2016**

__Exam__**: Model Question Paper**

__Document Type__**: Maths/Science**

__Category or Subject__**: 2016**

__Year__**: X**

__Class__** Website **: http://www.apjedu.com/

**: http://www.pdfquestion.in/uploads/9844-10th-class-qp.pdf**

__Download Question paper__## Class X Model Question Paper :

** Class **: X

**: 11 am to 1 p.m.**

__Time__**:**

__Mathematics__1) A box contains 4 red, 6 green and 8 black balls. Three balls are drawn from the box at random find the probability that the three balls are different colours ?

a) 55/84

b) 4/17

c) 5/84

d) 84.

Related: A.P.J Abdul Kalam All India Bright Student Award Test Class IX Model Question Paper 2016 : www.pdfquestion.in/9840.html

2) A bag contains 26 tickets marked with numbers 1 to 26. One ticket is drawn at random. Find the probability that will be multiple of 2 or 5 ?

a) 8/13

b) 10/26

c) 15/26

d) 5/13

3) There are four hotels in a certain town. If 3 men check into hotels in a day, what is the probability that each check into different hotel ?

a) 5/8

b) 3/5

c) 3/8

d) 3/4

4) The product of Ketan’s age five years ago with his age 9 years later is 15. Find his present age ?

a) 6 years

b) -24 years

c) 24 years

d) -6 years

5) Find the two consecutive natural number whose squares have the sum of 365 ?

a) 15, 16

b) 17, 16

c) 14, 15

d) 13, 14

6) A journey of 192 km from Pune to Mumbai takes 2 hours less by a fast train than by a slow train. If the average speed of slow train is 16 kmph less than that of the fast train find the average speed of each train ?

a) 36 kmph, 48 kmph

b) 24 kmph, 48 kmph

c) 32 kmph, 48 kmph

d) 28 kmph, 32 kmph

7) If 2x + 5 = 109 and 2x +5 = y + 12 then y-x= ?

a) 7

b) 6

c) 5

d) 17

8) If the three points A ( p, 2), B ( -3, 4) and C ( 7, -1) are collinear, then the value of p is ……?

a) 1

b) 2

c) 3

d) 7

9) In a cyclic quadrilateral ABCD, cos A + cos B + cos C + cos D =………..?

a) -1

b) 1

c) 2

d) 0

10) If ABCD is a parallelogram and if AB = 9 cm, BC = 6 cm, altitude on AB = 4 cm, then altitude on BC = ……

a) 6 cm

b) 9 cm

c) 10 cm

d) 12 cm

** Science **:

51) If NaOH is added to water at 25oC, the value of [OH-] is increased from 10-7 to 10-4. Then the value of [H+], from 10-7 is ……………..?

a) Increased to 10-10

b) Decreased to 10-10

c) Increased to 10-4

d) Decreased to 10-4

52) pH scale is introduced by …………………….?

a) Lewis

b) Arhenius

c) Bronsted

d) Sorensen

53) The product of concentration of H+ and OH- ions in a solution is called………………..?

a) Product of solution of ions

b) Ionization constant

c) Equilibrium constant

d) Ionic product of water

54) NH3 is not an Arhenius base because ………

a) This is covalent substance

b) It donot contain OH group

c) Its structure is pyramidal

d) Its ionization is very less

55) These are formed when metallic oxides dissolve in water.

a) Acids

b) Bases

c) Salts

d) Water

56) 4 grams of NaOH is dissolved in 36 grams of H2O then weight percentage of solute is ………………….?

a) 1

b) 9

c) 0.1

d) 10

57) The Law of octaves was proposed by……………………….?

a) Dobereiner

b) Newlands

c) Mendeleef

d) Mosley

58) Mendeleef’s periodic table depends on …………………….?

a) Atomic size

b) Atomic weight

c) Atomc number

d) none

59) Ionisation energy of nitrogen is higher than ionisation energy of oxygen. This is due to

a) Decrease in the atomic radius.

b) Increase in the atomic radius

c) Stable electronconfiguration

d) None of these.

60) The elements with atomic number 90 to 103 are called……………………………?

a) Representative elements

b) Alkali metals

c) Actinides

d) Alkali earth metals

61) Which of the following sets of elements is not of transition elements ?

a) Ti, Zr, Hf

b) Fe, Co, Ni

c) Cu, Ag, Au

d) Ga, In, Tl

62) One of the following statements is Not TRUE. It is …………………….

a) As the atomic number increases, the size of the atom decrease.

b) As the atomic number increases, the nuclear charge also increases.

c) In a group, as we move from top to bottom; the size of the atom increases

d) In a period, as we move from right to left, the size of the atom decreases.

63) Which of the following element is highly electropositive ?

a) Li

b) Be

c) B

d) C

64) Which of the following has the largest atomic size ?

a) F

b) Cs

c) Kr

d) Xe

65) The formation of salt and water when an acid reacts with a base is ……………… ?

a) Chemical combination

b) Chemical decomposition

c) Chemical displacement

d) Neutralization

66) The acid having less volatility is ……………………… ?

a) H2SO4

b) HCl

c) CH3COOH

d) None of these

67) Mention the formula of gas evolved when Na2CO3 salt reacts with HCl acid…..

a) H2

b) O2

c) CO

d) CO2

68) Which of the following substances does not completely ionise in water ?

a) NaOH

b) H2SO4

c) HCl

d) NH4OH

69) Graphite is soft because, it………………………..?

a) It black

b) having less density

c) has sepration between layers of hexogonal rings

d) is a crystalline solid.

70) An example for paramagnetism is ………………… ?

a) Air

b) Water

c) Nickel

d) Bismuth

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