Which of the following industrial processes is chlorines not used?

• A. Production of polyvinylchloride (PVC)
• B. Manufacturing of hydrochloric acid
• C. Manufacturing of common salt
• D. Manufacturing of domestic bleach

The products obtained when the following chemical reaction is completed and balanced are ______

HNO\(_3\) + Ca(OH)\(_2\) \(\rightarrow\) ______

• A)
  CaNO\(_3\) + H\(_2\)O
• B)
  Ca(NO\(_3\))\(_2\) + 2H\(_2\)O
• C)
  CaO + 2NO\(_2\) + 3H\(_2\)O
• D)
  Ca + 2NO\(_3\) + 2H\(_2\)O

The following oxides react with water except

• A. Na₂O
• B. SO₃
• C. NO₂
• D. CuO

The formation of a bond between hydrogen and a highly electronegative atom results in

• A. polarity
• B. electrovalent bond.
• C. dipole
• D. metallic bond

Fact and oils are used as raw materials in the following industries except

• A. paint industry
• B. plastic industry
• C. margarine industry
• D. cosmetics industry

The number of Hydrogen ions in 1.0dm³ of 0.02moldm^−3 tetraoxosulphate(VI) acid is [NA=6.02×1023]

• A. 1.2×10²²
• B. 1.2×10²³
• C. 2.4×10²²
• D. 2.4×10²³

An unsaturated solution differs from a saturated solution at a given temperature because it

• A. Cannot dissolve more solute
• B. Can hold more solute than it can actually dissolve
• C. Can still dissolve more solute at given temperature
• D. Form crystal more easily on cooling

Which of the following statements is correct?

• A. Atomic size decreases down the group
• B. Atomic size increases across the period
• C. Anions are smaller than the parent atom
• D. Cations are smaller than the parent atom

The compound with the highest ionic character among the following is

• A) PCl₅
• B) CCl₄
• C) BCl₃
• D) CsCl

Study carefully the reaction represented by the equation below. 2H₂O₂(l) → O₂(g) + 2H₂O(l). Which of the following will not reaction increase the reaction rate?

• A. Heating the hydrogen peroxide
• B. Adding a pinch of MnO2 to the reactant
• C. increasing the concentration of the H2O2
• D. Adding water to the reactant