Related Questions

How many liters of a 40% iodine solution need to be mixed with 35 liters of a 20% iodine solution to create a 35% iodine solution?
A 105
B 49
C 100
D 140
How many liters of a 40% iodine solution need to be mixed with 35 liters of a 20% iodine solution to create a 35 % iodine solution ?
A 105
B 49
C 100
D 140
How many liters of a 60% iodine solution need to be mixed with 30 liters of a 30% iodine solution to create a 50% iodine solution?
A 60
B 75
C 100
D 105
Iodine can be separated from a mixture of Iodine and Potassium Chloride by
A Sedimentation
B Filtration
C Sublimation
D Distillation
অ্যালুমিনিয়াম, হিলিয়াম এবং সিলিকনের পারমাণবিক সংখ্যা যথাক্রমে 13, 2 এবং 14 হলে, Al27+He27→Si27+( ) নিউক্লিয়ার বিক্রিয়াতে অনুপস্থিত কণা কোনটি? (Aluminum has atomic number 13, helium has atomic number 2, and silicon has atomic number 14. In the nuclear reaction the missing particle Al27+He27→Si27+( ) is:)
A A. an α particle
B a positron
C an electron
D a proton
. অ্যালুমিনিয়াম, হিলিয়াম এবং সিলিকনের পারমাণবিক সংখ্যা যথাক্রমে 13, 2 এবং 14 হলে, Al27+He27→Si27+ নিউক্লিয়ার বিক্রিয়াতে অনুপস্থিত কণা কোনটি ? (Aluminum has atomic number 13, helium has atomic number 2, and silicon has atomic number 14. In the nuclear reaction Al27+He27→Si27+ the missing particle is:)
A an a particle
B a positrom
C an electron
D a proton
The transuranium elements are the chemical elements with atomic numbers greater than
A 86
B 89
C 92
D 96
A number is greater than 3 but less than 8. Also, it is greater than 6 but less than 10. The number is -
A 8
B 5
C 6
D 7
Atomic number of which of the following elements is greater than that of Chlorine
A Potassium
B Sulphur
C Aluminium
D Phosphorus
Atomic number of which of the following elements is greater than that of Copper?
A Iron
B Chromium
C Zinc
D Manganese

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