Question

Chalk is impure calcium carbonate .the amount of calcium carbonate present in chalk can be determined by adding hydrochloric acid to a sample of chalk and measuring the volume of carbon dioxide gas produced
CaCO3 +2HCL = CaCl2 +CO 2 +H2O
excess hydrochloric acid was added to 0.5 g of chalk and 100 cm3 of carbon dioxide was produced at r.t.p calculate the percentage purity of calcium carbonate in the sample of chalk ​

Answer 1

Explanation:

You and Me are partners sharing profits as 3:2-1. You retires on 31st March 2020 at that time there was Debit Balance of Profit and Loss A/c of Rs 30000

Pass Journal for distribution of Profit and LoSs Account.

1/3 of a certain joweney is covered at 20 km/hr

1/4 of the remaining at 25 and the rest at 30km/hr what is the average speed during the whole journey

You and Me are partners sharing profits as 3:2-1. You retires on 31st March 2020 at that time there was Debit Balance of Profit and Loss A/c of Rs 30000

Pass Journal for distribution of Profit and LoSs Account.

1/3 of a certain joweney is covered at 20 km/hr

1/4 of the remaining at 25 and the rest at 30km/hr what is the average speed during the whole journey

शशकः बिलात् बहि भ्रमति।सर ल

(B) रेखीय

(C) धनात्मक

(D)रुणात्मकराम ने कहा कि मैं जयपुर जा रहा हूँ "