>List four metals that occur as elements in their natural state.

Q: Which row describes how the metals are used?

A: Brass is an alloy of copper and zinc. Galvanisation or galvanization is the process of applying a…

Q: Differentiate between a mineral and an ore.

A: In chemistry, isolation is a very important topic to study. This topic provides the information that…

Q: Which of the following is not a property of metals? They are good conductors of electricity. A They…

A: The question is to identify which of the of given properties is not a property of metal -

Q: 10. A river water samples was collected a week before it was analyzed for a trace level of metals.…

A: Solution 10)  Problems encountered in storage of sample 1) addition of extra impurity :when we take…

Q: Describe the properties of metals that make themuseful for making jewelry.

A: The elements which forms a cation easily is known as metal.

Q: In what category is the substance germanium?

A: There are four statements about substances of germanium ..... 1) Covalent network solid. 2)…

Q: How do metals react in a period?

A: Metals having tendency to loose electrons, and the tendency of an element to lose electrons…

Q: What is the characteristic that distinguishes metals from one another?

A: The characteristics that distinguishes metals from one another is  malleability, ductility,…

Q: general background of aluminium.

A: There are in total 118 elements in chemistry. Aluminium is one of them which is very useful in our…

Q: 1. a. How many grams of Mn3O4 can be obtained from 1.00 g MnO2?   b. how many ounces of Mn3O4 can…

A: The chemical reaction is given by 3 MnO2 → Mn3O4 + O2

Q: Name the chief ores of aluminium and zinc.

A:

Q: Which of the following is a general characteristic of a metal? A) dull, brittle solid B) low…

A: A metal is a material that, when freshly prepared, polished, or fractured, shows a lustrous…

Q: C, graphite $) Caiamona(s) Cdiamon

A: Enthalpy of combustion is amount of energy released after 1 mole of substance completely burns in…

Q: Identify 3 composite materials that uses metallic bonding.

A: A material produced from two or more constituent materials with different properties and without…

Q: one of the following is not classified as native element a. diamond b. pyrite c. graphite d.…

A: The element which occurs in nature in uncombined form is known as the native element. Hence the…

Q: What is the state of matter for each of the following Si (Select) HR Select) K Select) F₂ (Select)

A: ->Substances are classified as solids , liquids , gases and less familiar plasma .

Q: actually removing:  a. all of the choices here are acceptable b. the impurities c. the oxides d.…

A: Magnesium ribbons contain a layer of magnesium oxide.

Q: A student places 1.520 grams of copper wire along with excess sulfur into a crucible (and cover),…

A:

Q: Iron(II) ions can be oxidised to iron(III) ions by hydrogen peroxide. Which statement explains why…

A: The group 3 to 12 of the periodic table are d-block elements. These elements are also called…

Q: Illustrate/draw: Grain orientation  Random Preferred This topic is about  Metals in chemistry.

A:

Q: Dark color Igneous rocks

A: Given : Dark color igneous rocks To find: what are Dark colour igneous rocks Solution: Igneous rocks…

Q: List the properties of copper that make it appropriate for electric wires?

A: Copper is a metal which is commonly used for making electric wires. This is because of the following…

Q: What are the two elemental states of iron?

A: 13- The chemical symbol of iron is Fe

Q: List four metal elements that each individually compose more than 1% of Earth’s crust.

A: The earth’s crust contains many gases, metals, ores or minerals.

Q: Which of these is a property of metals?

A: Metals :-  These are minerals which are isolated from the earth crust in the form of alloy ( mixture…

Q: Name the method used for the refining of titanium metal.

A: Titanium is a d block element with chemical symbol Ti. It is very light as well as a strong element…

Q: Hydro metallurgy of silver

A: Silver is a metal and therefore it is electropositive in nature.

Q: Detrital sedimentary rocks are classified primarilyc B) type of bedding C) composition A) color on…

A: Detrital sedimentary rocks, also known as clastic sedimentary rocks.  They are formed from the…

Q: Recommend some possible methods to identify different materials without resorting to chemical…

A: Given that : We have to recommend some possible methods to identify different materials without…

Q: How is elemental silicon obtained by aluminothermy method? Explain with the reaction equation.

A: Aluminothermy method or Aluminothermic reactions are those chemical reactions in which aluminium is…

Q: Describe how Goldsmith rules are used to classify Elements

A:

Q: name the ore of aluminium.

A: Ore: It is a natural occurrence of rock in which minerals are present with economically significant…

Q: >Why was copper one of the first metals that humans used?

A: Copper is considered to be one of the first metals to be used by humans. The main reason for its…

Q: Which of these is a property of metals? O It's very brittle It's malleable O They are used in food O…

A: Metals :-  Solid substances which can form cations readily by losing electrons and form lattice in…

Q: Ceramics bear the properties of O high melting and boiling point O hard chemically unreactive all of…

A: We have to select the correct option about properties of Ceramic

Q: <p>List the properties of copper that make it appropriate for electric wires and the…

A: Copper is widely used in our daily lives for making electric wires and water pipes.This is because…

Q: Explain "Metals conquer almost every industry."

A: Metals play a vital role and are extensively used in manufacturing industries because of their…

Q: What states of matters do metals typically exist

A: Metal:Metals are situated on the left-hand side of the periodic table. The metals are…

Q: How can we convert glass into quartz?

A: Glass is an amorphous in nature while quartz is crystalline.Quartz can be converted into glass by…

Q: This mineral when found in soil, turns it reddish in color. (A) Iron B) Magnesium (C) Copper D)…

A: We have to know the type of mineral present in the soil depending upon the color of the soil. The…