Элементы 1 В подгруппы Медь, серебро и золото

This document appears to be a collection of chemistry-related materials focused on copper, silver, and gold. It includes a title page with the name of the Tashkent Pharmaceutical Institute, followed by a series of problems involving alloy composition calculations. Subsequently, there are chemical equations to be completed, and a quiz on inorganic chemistry with questions related to the properties and reactions of copper, silver, and gold. Finally, it contains a crossword puzzle related to the topic of metallurgy. Overall, it functions as a study guide or assignment for students learning about these elements and related chemical concepts.

Asosiy mavzular

• Alloy Composition Problems: Several problems focus on calculating the proportions of different metals in alloys, specifically involving copper, silver, and gold. The tasks involve finding the ratio of masses of different alloys when combined to achieve a desired metal concentration in the final alloy.
• Chemical Equations: A series of incomplete chemical equations involve reactions with copper, silver, and gold. Students are expected to complete these equations, demonstrating their understanding of the chemical properties and reactivity of these metals.
• Inorganic Chemistry Quiz: This section presents multiple-choice questions about copper, silver, and gold. The questions assess knowledge of solubility, reaction products, and industrial applications.
• Metallurgy Crossword Puzzle: This is a crossword puzzle. The goal is to fill in the names of metals vertically to complete the word 'metallurgy' horizontally.