What is the molar mass of an alkyne with the formula Cx H 14? (H = 1, C = 12) A 86g B 92g C 98g D 110g Answer is D Ace your next examination by joining our tutorial for …
The following compounds contain the same type of bonds except A sodium chloride B hydrogen chloride C magnesium chloride D potassium chloride Answer is B Ace your next examination by joining our tutorial for that difficult subject. Click Here To …
When magnesium ribbon burns in air, the products are A magnesium nitride and magnesium oxide B magnesium nitride and carbon (ll) oxide C magnesium oxide and steam D magnesium nitride and soot Answer is C Ace your next examination by …
Destructive distillation of coal means A heating coal in plentiful supply of air B burning coal in air to produce water and carbon (IV) oxide C heating coal in the absence of air D heating coal in limited supply of …
Study the reaction represented by the equation: Alkanol + Alkanoic acid conc. H2SO4 Alkanoate + water. The type of process involved in the reverse reaction is A Neutralization B dehydration C hydrolysis D decomposition Answer is C Ace your next …
Which of the following is likely to have the highest degree of hardness? A Carbonated water B Distilled water C Acidified water D Rain water Answer is A Ace your next examination by joining our tutorial for that difficult subject. …
Which of the following is not a halogen? A Silicon B Fluorine C Astatine D Bromine Answer is A Ace your next examination by joining our tutorial for that difficult subject. Click Here To Get Started. JOIN OTHER STUDENTS ON …
The gaseous product formed when ammonia is passed over heated copper (ll) oxide is A oxygen B nitrogen C hydrogen D nitrogen (l) oxide Answer is B Ace your next examination by joining our tutorial for that difficult subject. Click …
Sodium chloride is used in the following processes except in the A treatment of polluted water B preservation of food C separation of soap from glycerol D manufacture of chlorine Answer is A Ace your next examination by joining our …
Alkanols have unexpectedly high boiling points relative to their molar masses because of intermolecular A hydrogen bonding B metallic bonding C covalent bonding D ionic bonding Answer is A Ace your next examination by joining our tutorial for that difficult …
What is the molar of hydrogen sulphide gas in the reaction H2SO4(aq) + 3H2S(g) → 4S(s) + 4H2O (l)n represented by the following equation? A Reducing agent B A bleaching agent C A dehydrating agent D A sulphonating agent Answer …
Which of the following reactions is accompanied by the first ionization energy of an element X? A X +(aq) → X 2+ (aq) + e- B X – (g) → X(g) + e- C X+ (g) → X2+ +e- D …