Abundance of metals in nature - class-X
Description: abundance of metals in nature | |
Number of Questions: 97 | |
Created by: Tanya Dwivedi | |
Tags: metals and non metals metals and metallurgy chemistry the nature of matter general principles and processes of isolation of elements non-metals principles and processes of isolation of elements metals and non-metals element, compound and chemical reaction |
Which statement is false?
______ is the metal which was first discovered by man.
Which of the following is the most reactive metal?
Nitrogen and germanium are:
Second and third most abundant metal in earth's crust
Mark the correct statement.
Which of the following is a non-metal?
What is boron?
The oxide ore of zinc is known as__________.
Metals found at the top of the reactivity series are never found in free-state because
Rubies are crystalline forms of_________.
The carbonate and silicate ore of zinc is called as_________.
Which of the following are found as carbonate ore in nature?
Copper is extracted from sulphide ore using the method:
Which one of the following is not an ore of aluminum?
Which of the following are sulphate ores?
An alloy which does not contain copper is:
In the extraction of copper from copper pyrites, iron is removed as:
Which of the following combination are correct?
Which of the following are found as sulphide ores?
Silica is added to roasted copper ore during extraction in order to remove:
Cinnabar is the ore of:
Which of the following is used for decorating sweets?
Heat conduction is the property of __________.
Which of the following metals exist in their native state in nature?
(i) Ca
(ii) Au
(iii) Zn
(iv) Ag
Which of the following metals occur in the native form?
Which of the following is not the allotropic form of sulphur?
Which of the following statement(s) is/are true?
Metals and non- metals are separated by a zig - zag line.
Non-metal used in packing of potato chips in:
A purpled coloured non-metal forms a brown solution in alcohol which is applied on wounds as antiseptic . Which non metal is this?
In metal reactivity series the more reactive metals are at
Out of the alloys given below which one contains a non-metal?
When Amrita was asked to pick up a few articles from a collection, she picked up the following:
Wooden scale, glass test tube, paper basket.
Which article is she most likely to pick up next?
In the native state, gold is present :
The most abundant element in the universe is:
The metallic element present in chlorophyll is:
Calcium occurs as a/an___________.
(a) oxide ore (b) halide ore (c) carbonate ore (d) sulphide ore
Halide ores are seen for:
Copper occurs as a/an_________.
(A) oxide ore (B) halide ore (C) carbonate ore (D) sulphide ore
An element $X$ has electronic configuration $(2,\,8,\,8,\,2)$. Then $X$ is:
An element which posses luster and are good conductor of electricity are:
Nitrogen is an example of:
Boron is an example of:
An element $X$ has an atomic number $32$ has some properties similar to metal and some to non-metal. The $X$ is among the:
An element has dull appearance, low density and low melting point are :
Post transition elements belong to which group number in the periodic table?
Which of the following is not an ore of sulphate?
Which of the following is most abundant element in the earth crust?
The most abundant metal in the earth's crust is :
Which valence shell electrons arrangement is that of a metallic element?
Which of the following metal exists in free state?
Metals found in a combined state in the earth's crust are known as:
Which of the following metals occur in free as well as combined state?
Which of the following is the last stable element found and has highest boiling point?
Iron is mainly extracted from its oxide ores such as___________.
Which of the following metal fall under platinum group?
Minerals that have a relatively high concentration of metal and can be extracted in an easy and cost-effective process are called:
The halide ore of sodium is called as_________.
Silver glance or argentite is the_________.
Which of the following are halide ores?
Which of the following are found in Earth's crust mainly as oxides, sulphides and carbonates?
Blister copper is:
Silver can be separated from lead by:
Statement: Valuable gemstones such as rubies and sapphire contain aluminium oxides along with traces of transition metals as impurities.
Aluminium metal is purified by:
Froth floatation process is used for the concentration of the ore of:
The material mixed before ore is subjected for smelting in the extraction of iron are:
Which of the following non-metal is a good conductor of electricity?
Heamatite ore is concentrated by:
Which non-metallic element is in liquid form?
In general, the number of electrons in the outermost shell of a metal atom is:
Which metal is found in liquid state at room temperature?
The metal reacting readily with cold water is:
Which of the following is the best electrical conductor?
The most abundant metal in earth's crust is:
The most abundant element in earth's crust is:
Metal is not used in making pen.
Find the odd one out from the following:
Aluminium, iron, copper, silver, iron, brass, sand and shirt
Gallium and mercury are
Which of the following is liquid non metal?
The density of non metals is _____ when compared with metals.
The density of metals is ________ when compared with non metals.
Metals are solid at room temperature except
Non metals exist in:
Iodine is :
Non metal oxides are:
Which of the following are not the characteristic property of non-metal?
Non-metal oxides when react with water forms:
Which of the following are characteristic property of non metals?
Bromine is
The most abundant metal in the earth's crust is :
Elements are classified into four major categories:
The second most abundant metal present in the crust of the earth is :
________ are elements which can accept one or more electrons and form negative ions.