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Which of the following acids would form normal salt only?

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

3 years ago

Consider the following reaction equation: CaO + SiO2 ——> CaSiO3: Silicon(IV) oxide is acting as?

A. a basic oxide B. a reducing agent C. an acidic oxide D. an oxidizing agent Correct Answer: Option C…

3 years ago

Before a reaction could take place; there should be?

A. ionization of reactant particles B. breakage of bonds of products C. breakage of bonds of reactants C. ionization of…

3 years ago

Increasing the temperature generally?

A. decreases the solubility of a solid in a liquid but increases the solubility of a gas in a liquid.…

3 years ago

If 5.0 g of marble reacts with 25.0 cm3 hydrochloric acid; which of the following combinations has the fastest reaction rate?

A. Marble chips and 2.0 mol dm−3 HCl(aq) B. Marble chips and 2.5 mol dm−3 HCl(aq) C. Powdered marble and…

3 years ago

A colourless gas with a pungent smell is evolved when dilute hydrochloric acid is added to a sample of a salt. The gas evolved could turn?

A. acidified K2Cr2O7 solution colourless B. acidified KMnO4 solution colourless C. Fe(NO3)2 solution green D. Pb(NO3)2 paper black Correct Answer: Option…

3 years ago

The IUPAC name for CH3CHCH3CHClCHCH3CH2CH3 is?

CH3CHCH3CHClCHCH3CH2CH3   A. 2, 4 - dimethyl - 3 - chlorohexane B. 3, 5 - dimethyl - 4 - chlorohexane…

3 years ago

Oxochlorate(I) acid is used as a bleaching agent because it is?

A. a weak acid B. a reducing agent. C. an oxidizing agent D. a strong acid. Correct Answer: Option C…

3 years ago

Determine the quantity of electricity used when a current of 0.20 amperes is passed through an electrolytic cell for 60 minutes.

A. 12C B. 120C C. 360C D. 720C Correct Answer: Option D - 720C Explanation Q =It t = 60…

3 years ago