Chemistry Quiz

Of the following elements, which one has the highest electronegativity?

Which of the following is not an actinide?

Which of the following has the highest electron affinity?

What is the formula for the basic anhydride of Ba(OH)2?

Which elements exhibit the greatest number of oxidation states in its compounds?

Which one of the following is amphoteric oxide?

Lattice energy of an ionic compound depends upon:

Which shows the highest lattice energy?

Ionic radii are

Eka-aluminum and eka-silicon are known as:

The correct order of atomic radii is

Which among the following element has the lowest value of ionization energy?

If the atomic number of an element is 33, it will be placed in the periodic table in the

Ce(58) is a member of

Which of the following is isoelectronic with carbon atom?

Select the correct order of Ionization energy.

Of the element given, which has the lowest ionization energy?

Which of the following has maximum ionization enthalpy?

Which of the following has the largest atomic size?

What type of atoms do carbohydrates contain

If the equivalent weight of a trivalent metal is 32.7, the molecular weight of its chloride is

The modern atomic weight scale is based on.........

Which one of the following pairs of compounds illustrates the law of multiple proportions?

Aluminium is used as reducing agent in the reduction of

Silica is added to roasted copper ore during extraction in order to remove

The element which is recovered from the electrolytic process is

Extraction of aluminum from bauxite ore reduction is carried out by

The most abundant metal in earth crust is

Chemical leaching is useful in the concentration of

Which one of the following is not a method of concentration of ore?

The Froth flotation process is used for the concentration  of the ore of

Three most occurring elements into the earth crust are

A mineral is usually associated with a large amount of unwanted material called

Which one of the following elements is most abundant in the earth crust?

Which one of the following materials does not contain iron?

Cinnabar is an ore of

The extraction of zinc from zinc blende is achieved by

Highly electropositive metals can not be  commercially  extracted from carbon reduction process at high temperature because these

The equivalent weight of calcium phosphate Ca3(PO4)2 is (Mol. wt. 310)

The formula of metallic hydroxide (eq. wt. = 150) is M(OH)2. x. H2O. If the atomic weight of the metal is 176 then, the value of x will be

Among the following compounds, which has the maximum lattice energy?

Which of the following compound has a positive enthalpy of solution?

The element having a very high ionization potential but zero electron affinity is

To which of the following elements, the addition of electrons is most difficult?

The amount of energy released when an electron is added to its outermost shell of an atom is called

Elements having highest ionization potential value is

Which of the following metals is the highest electropositive in nature?

Which of the following is not a representative element?

Zinc and Cadmium metals do not show variable oxidation states because

Transition metals are not characterized by

The atomic numbers of metallic and non-metallic elements which are liquid at room temperature are

Which of the following statements is incorrect about the adsorption theory?

Cold light is emitted in

Stress corrosion, fatigue corrosion, and hydrogen embrittlement fall under the category of which type of corrosion?

When Pt and Zn are electrically connected, which one gets corroded?

Dry cell is an example of

Rust is hydrated

Dry corrosion is

which one of the following elements shows both positive and negative oxidation state?