In the Qualitative Analysis Scheme for Metal Ions,how Are the Analytical

question 3

Multiple Choice

In the qualitative analysis scheme for metal ions,how are the Analytical Group I cations separated from the other cations?

• A)by addition of HCl,forming insoluble metal chlorides
• B)by addition of H₂SO₄,forming insoluble metal sulfates
• C)by addition of H₂S in acidic solution,forming insoluble metal sulfides
• D)by addition of H₂S in basic solution,forming insoluble metal sulfides or hydroxides
• E)by addition of (NH₄)₂CO₃ or (NH₄)₃PO₄,forming insoluble metal carbonates or phosphates

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Definitions:

Processing Activity

Tasks or operations involved in transforming raw materials into finished goods or services, often part of the production process.

Activity-Based Costing

A costing methodology that assigns expenses to products or services based on the activities that go into their production or delivery.

Machine-Hours

A unit of measure representing the operating time of a machine, used in cost accounting to allocate machine-related overheads to products.

Product Margin

The profit made on selling a product, calculated by deducting the total cost of production from the sales revenue of the product.