At ordinary temperature H(_2)O is a liquid while H(_2)S is a gas. This is because…
At ordinary temperature H(_2)O is a liquid while H(_2)S is a gas. This is because H(_2)O has A.…
Browsing Category
Answers
44896 posts
When a substance changes directly from the solid state to the gaseous state without forming…
When a substance changes directly from the solid state to the gaseous state without forming a liquid, the…
A sample of a gas may be identified as chlorine if it turns
A sample of a gas may be identified as chlorine if it turns A. damp blue litmus paper…
A metal M forms two types of chlorine, MCl(_2) and MCl(_3) which of the following…
A metal M forms two types of chlorine, MCl(_2) and MCl(_3) which of the following laws best explains…
Consider the reaction represented by the following equation: xCH(_3)OH + yO(_2) → 2CO(_2) + zH(_2)O….
Consider the reaction represented by the following equation: xCH(_3)OH + yO(_2) → 2CO(_2) + zH(_2)O. The values of…
The formula of mercury (l) dioxonitrate (III) is
The formula of mercury (l) dioxonitrate (III) is A. HgNO3 B. Hg2NO2 C. Hg2(NO2)2 D. Hg(NO3)2 Correct Answer:…
Consider the following reaction equation: CaCO(_{3(s)}) + 2HCI(_{(aq)}) → CaCl(_{2(aq)}) + H(_2)O(_{(l)}) + CO(_{2(g)}). What…
Consider the following reaction equation: CaCO(_{3(s)}) + 2HCI(_{(aq)}) → CaCl(_{2(aq)}) + H(_2)O(_{(l)}) + CO(_{2(g)}). What mass of CaCI(_2)…
The number of sulphur atoms in 3.20g of SO(_{2(g)}) is [O = 16.0;S = 32.0;…
The number of sulphur atoms in 3.20g of SO(_{2(g)}) is [O = 16.0;S = 32.0; Avogadro constant =…
The vapour pressure of a liquid depends on l. temperature. ll. rate of condensation. III….
The vapour pressure of a liquid depends on l. temperature. ll. rate of condensation. III. cohesive forces holding…
MgO does not readily dissolve in water because
MgO does not readily dissolve in water because A. of its high melting point B. it is a…