which contains protons and neutrons
which is positively charged
which is massive and can cause deflection of a few projectiles
which is very large and in which close to 98% of projectiles pass undeflected
Correct answer is C
Rutherford's account of Nuclear theory does not include the fact that atoms contain a massive region and cause deflection of from projectiles.
SO\(_3\) is an acidic gas
Acid is usually added to water and not water to acid
The reaction between SO\(_3\) and water is violently exothermic
SO\(_3\) does not dissolve readily in water
Correct answer is C
No explanation has been provided for this answer.
Which of the following is a set of neutral oxides?
N\(_2\)O, H\(_2\)O, CO
N\(_2\)O, SO\(_2\), CO
N\(_2\)O, Na\(_2\)O, ZnO
N\(_2\)O, SO\(_3\), NO
Correct answer is A
No explanation has been provided for this answer.
Which process(es) is/are involved in the turning of starch iodide paper blue-black by chlorine gas?
chlorine attacks the starch to give the blue-black color
chlorine attacks the iodide ion to give the blue-black color
chlorine oxidizes the iodide ion to produce iodine which attacks the starch to give the blue-black color
iodine attacks the starch to give the blue-black color
Correct answer is C
No explanation has been provided for this answer.
When chlorine water is exposed to bright sunlight, the following products are formed
HCl\(_{(aq)}\) and Cl\(_2\)
HOCl\(_{(aq)}\) and Cl\(_2\)
HCl\(_{(aq)}\) and O\(_2\)
HOCl\(_{(aq)}\) and O\(_2\)
Correct answer is C
No explanation has been provided for this answer.