Which compound will have the lowest boiling point?

5 years ago

A. CH3OH B. CH3COOH C. CH3CHOH D. C4H10 E. (CH3)3CH Correct Answer: Option D - C4H10

The Atomic theory model which explains that electrons in an atom revolve round quantized energy levels is attributed to?

5 years ago

A. Becquerel. B. Bohr. C. de Broglie. D. Rutherford. E. Thompson. Correct Answer: Option B - Bohr

White is NOT a property of metals?

5 years ago

A. ductile: B. malleable C. conduct heat and electricity D. have many oxidation states E. high melting points anti boiling…

Which of the following is TRUE of a catalyst?

5 years ago

I. it alters the activation energy of a reaction II. it is effective in a reaction but cannot initiate a…

The high boiling point of hydrogen fluoride can be explained in terms of?

5 years ago

A. covalent bonds. B. dative bonds. C. dipole-dipole bonds. D. electrovalent (ionic) bonds E. hydrogen bonds. Correct Answer: Option E…

On exposure to hydrogen sulphide; moist lead (II) ethanoate paper turns

5 years ago

A. black B. blue C. green D. white E. yellow Correct Answer: Option A - black

Which compound is a product of the hydrolysis of CH3COOC3H7 with aqueous sodium hydroxide?

5 years ago

A. CH3COOH B.  CH3COONaCCH3OH C. CH3OH D. C2H5OH E. C3H7COONa Correct Answer: Option A - CH3COOH

The alloy used for welding and plumbing contains?

5 years ago

A. aluminum and copper. B. copper and tin C. iron and aluminum. D. lead and antimony. E. lead and tin.…