Scholastic Aptitude Test (SAT) Paper – Rajasthan Part – 2

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Q: 12. There 6 Ω resistors are connected in parallel and the combination is connected to a 15 V battery. The current through any one of the resistors will be

(1) 2.5A

(2) 2.0A

(3) 5A

(4) 10A

Q: 13 The minimum order of temperature required for nuclear fusion is

(1)

(2)

(3)

(4)

Q: 14 What will be the mass/mass percentage of a solution containing 30 gm of common salt in 220 gm of water?

(1) 3%

(2) 1.2%

(3) 12%

(4) 22%

Q: 15. Cheese is an example of which type of colloid?

(1) Gel

(2) Foam

(3) Sol

(4) Solid sol

Q: 16 Which process is used to separate a mixture of two miscible liquids A and B having boiling points 56° C and 65° C respectively?

(1) Distillation

(2) Fractional distillation

(3) Sublimation

(4) Steam distillation

Q: 17 Number of valence electrons in Magnesium is

(1) 12

(2) 10

(3) 8

(4) 2

Q: 18 Total number of atoms in 4 gm of oxygen molecule is

(1)

(2)

(3)

(4)

Q: 19 Number of which among the following is same in and ?

(1) Proton

(2) Neutron

(3) Atomic mass

(4) Electron

Q: 20. Which of the following is pH of basic solution?

(1) 7

(2) 4.2

(3) 6.9

(4) 10.2

Q: 21. Which metal does not react with oxygen at high temperature?

(1) Mg

(2) Al

(3) Ag

(4) Zn

Q:22. Which reagent is able to dissolve gold and platinum?

(1) Nitric acid

(2) Aqua-regia

(3) Hydrochloric acid

(4) Sulphuric acid

Q: 23. Which metal is most reactive?

(1) Na

(2) Ca

(3) K

(4) Zn

Q: 24. Identify X in the following reaction –

Q 24 Chamical Process on Ethanol

Q 24 Chamical Process on Ethanol

Q 24 Chamical Process on Ethanol

(1) Ethane

(2) Methane

(3) Ethene

(4) Ethanol

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