Answer:
1 - B) 2 - B) 3 - A)
Explanation:
1. C3H8 + 5O2 → 3CO2 + xH2O.. Find 'X'.
A) 3
B) 4
C) 5
D) 6
2. 4Al + 3O2 → xAl2O3. Find 'X'
A) 3
B) 2
C) 4
D) 5
3. FeCl3 + 3NaOH → Fe(OH)3 + xNACl. Find 'x'
A)3
B) 4
C)5
D)6
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Answer: effective nuclear charge
Explanation: This is because electrons are added to tell same shell at about the same distance from the nucleus
Crystallization is the correct answer for recovering salt from a solution by evaporating the solvent
Answer:The weight of Object F will be
times the weight of Object E if both objects are placed on the same planet.
Explanation:
Mass of the object E,
= 4800 kg
Mass of the object F,
== 600 kg
Since they are on the same planet same gravitation force will be exerted on them by the gravity of the planet.


The weight of Object F will be
times the weight of Object E if both objects are placed on the same planet.