Which of the following is a solid at room temperature?

5 years ago

A. Argon B. Bromine C. Chlorine D. Fluorine E. Iodine Correct Answer: Option E - Iodine

The relationship between equilibrium constant and free energy change is represented as?

5 years ago

A. δ G° = -nFE ° B. δG°-RT ln K C. δ G°= + RT In k D. δG° =…

Non-polar molecules are held together by?

5 years ago

A. co-ordinate bond B. covalent bond C. electromagnetic force D. hydrogen bond E. Van der Waals forces Correct Answer: Option…

The Ideal Gas Law is expressed mathematically as?

5 years ago

A. P1 /T1 = P2/T2 B. P1/V1 = P2V2 C. PV =nRT D. PV =KT E. V1/T1 = V2/T2 Correct…

Two elements X and Y with electronic configurations 2,8,2 and 2,8,7 respectively, are likely to combine by _________bonding

5 years ago

A. covalent B. dative C. electrovalent D. hydrogen E. metallic Correct Answer: Option C - electrovalent

The furring of kettles and boilers are caused by?

5 years ago

A. calcium hydroxide B. calcium hydrogen trioxocarbonate (IV) C. calcium trioxocarbonate (IV) D. calcium tetraoxocarbonate E. magnesium tetraoxocarbonate (VI) Correct…

What mass of copper in gram would be deposited by a current of 1.00 ampere passing for 965 seconds through copper(II) tetraoxosulphate (VI) solution? [Cu 63.5; If = 96500C]

5 years ago

A. 0.32 B. 0.64 C. 3.18 D. 6.35 E. 9.65 Correct Answer: Option A - 0.32

How many zones are present in a luminous Bunsen burner flame?

5 years ago

A. 2 B. 3 C. 4 D. 5 E. 6 Correct Answer: Option C - 4

When air is passed through alkaline pyrogallol and then lime water, the gases left are?

5 years ago

A. nitrogen and carbon (IV) oxide B. nitrogen and noble gases C. nitrogen and oxygen D. nitrogen, carbon (VI) oxide…

A salt which loses its mass when exposed to air is?

5 years ago

A. deliquescent B. effervescent C. Efflorescent D. fluorescent E. hygroscopic Correct Answer: Option C - Efflorescent

Show more Posts
Show previous Posts