SAT (Stage-1) M...

Observe the portion of the periodic table:

Among the elements listed, identify the following:

(i) The element with the smallest atomic radius
(ii) The most electronegative element

Corrosion and rancidity are a result of ____________ of iron articles and oils/fats, respectively. Galvanisation is a technique used to prevent corrosion of iron articles and ___________ are used to prevent rancidity of oils or fats.

The information in which of the given alternatives completes the above statements?

Which of the following is used to remove permanent hardness of water?

Which of the following can be separated by solvent extraction?

Assign a position in the modern periodic table to the element with atomic number 15.

The pH of which of the following samples will increase on dilution?

Froth floatation is a method for the concentration of sulphide ores (soluble in organic solvents) from its impurities (soluble in water). The process is made effective by which of the following techniques?

Which law of chemical combination is illustrated by the following data?]

6 g of C combines with 32 g of S to form CS₂. 12 g of C also combines with 32 g of oxygen to form CO₂. 10 g of S combines with 10 g of oxygen to form SO₂.

Which of the following mixtures is not a colloid?

Consider the portion of the periodic table displaying the elements of groups 1 and 2.

Identify the most metallic and the least metallic elements, respectively.

Which of the following pairs of substances represents the law of multiple proportions?