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 –
(1) Ethane
(2) Methane
(3) Ethene
(4) Ethanol