Chemistry

Which of the following statement is correct? The solubility of…

A. gases increases with increase in temperature B. gases decreases with increase in temperature C. most solid solutes decrease with…

6 years ago

Which of the following salts is insoluble in water?

A. Pb(NO3)2 B. Na2CO3 C. AgNO3 D. AgCI. Correct Answer: Option D D. AgCI.

6 years ago

Which of the following oxides of nitrogen has oxidation number of + 1?

A. KNO3 B. N2O C. N2O3 D. NO Correct Answer: Option B B. N2O

6 years ago

Consider the reaction represented by the equation: 2H2SO4(aq0 + C(s) → 2H2O(l) + 2SO2(g) + CO2(g) H2SO4 is acting as?

A. a catalyst B. an oxidizing agent C. a reducing agent D. a sulphonating agent Correct Answer: Option B B.…

6 years ago

A solution that contains as much solute as it can dissolve at a given temperature is said to be?

A. concentrated B. saturated C. supersaturated D. unsaturated Correct Answer: Option B B. saturated

6 years ago

Which of the following acids from normal salt only?

A. Tetraoxosulphate (IV) acid B. Tetraoxophosphate (V) acid C. Trioxonitrate (V) acid D. Trioxosulphate (IV) acid Correct Answer: Option C…

6 years ago

Which of the following hydroxides will readily dissolved in water?

A. Cu(OH)2 B. NaOH C. Pb(OH)2 D. Zn(OH)2 Correct Answer: Option B B. NaOH

6 years ago

Which of the following compounds is not a double salt?

A. Zn(OH)NO3 B. KAI(SO4)2 C. KCr(SO4)2 D. (NH4)2Fe(SO4)2 Correct Answer: Option A A. Zn(OH)NO3

6 years ago

Which of the following dilute acids does not react with metals to liberate hydrogen?

A. CH3COOH(aq) B. HCI(aq) C. H2SO4(aq) D. HNO3(aq) Correct Answer: Option D D. HNO3(aq)

6 years ago

In a chemical reaction, ∆H is positive when?

A. H (product) >H (reactant) B. H(product) < H (reactant) C. H (product) = H (reactant) D. H (product) =…

6 years ago