Click to start!
10Click to start!
10Click to start!
10Click to start!
10Minerals are always organic in nature.
Gold is found in pure state in nature.
Sodium is a non-reactive metal.
Minerals have a fixed chemical formula.
All minerals are ores.
All ores are minerals.
Earth’s crust contains mostly silicate minerals.
Ores contain impurities.
Metals cannot be extracted from ores.
Limestone is found in Nepal.
Percentage: 0%
Which metal is found in pure state in nature?
Elements and compounds found naturally are called:
Which of the following is found in pure state in nature?
Most minerals are:
About how much of the earth’s crust is silicate minerals?
Hematite is an ore of:
The mineral from which metal can be extracted economically is called:
Reactive metals are found in nature as:
Which of the following is found in Nepal?
Ores contain:
Elements and compounds found naturally are called ______.
Minerals are the sources of ______.
Non-reactive metals like gold and silver are found in ______ state.
Reactive metals like sodium and potassium are found in the form of ______.
Minerals are generally inorganic, pure, solid and crystalline in ______.
Minerals have a fixed ______ formula.
About ______% of the earth's crust is composed of silicate minerals.
The process of removing impurities from ores depends on their physical and ______ properties.
A mineral from which metal can be extracted economically is called an ______.
All ores are minerals but all ______ are not ores.