For most salts, the solubility increases with rise in temperature, but the solubility of _______________ is nearly independent of temperature rise?

Byadmin March 12, 2019August 30, 2021

For most salts, the solubility increases with rise in temperature, but the solubility of _______________ is nearly independent of temperature rise?

A. Sodium chloride
B. Sodium carbonate monohydrate
C. Anhydrous sodium sulphate
D. Hypo

Stoichiometry

Simultaneous doubling of the absolute temperature of a gas and reduction of its pressure to half will result in _____________ in the volume of the gas?

Simultaneous doubling of the absolute temperature of a gas and reduction of its pressure to half will result in _____________ in the volume of the gas?

A. No change
B. Doubling
C. 1/4th reduction
D. Fourfold increase

Read More Simultaneous doubling of the absolute temperature of a gas and reduction of its pressure to half will result in _____________ in the volume of the gas?
Stoichiometry

Refractories used in/for ______________ should have low thermal conductivity?

Refractories used in/for ______________ should have low thermal conductivity?

A. Coke ovens
B. Insulation
C. Regenerators
D. Muffle furnaces

Read More Refractories used in/for ______________ should have low thermal conductivity?
Stoichiometry

One of the specific gravity scales is “Brix” (used specifically for sugar solution). It is defined as ______________?

One of the specific gravity scales is “Brix” (used specifically for sugar solution). It is defined as ______________?

A. Brix = (400/G) – 400
B. Brix = 200 (G-1)
C. Brix = 145 – (145/G)
D. None of these

Read More One of the specific gravity scales is “Brix” (used specifically for sugar solution). It is defined as ______________?
Stoichiometry

1 kg of calcium carbide (CaC2) produces about 0.41 kg of acetylene gas on treatment with water. How many hours of service can be derived from 1 kg of calcium carbide in an acetylene lamp burning 35 litres of gas at NTP per hour ?

1 kg of calcium carbide (CaC2) produces about 0.41 kg of acetylene gas on treatment with water. How many hours of service can be derived from 1 kg of calcium carbide in an acetylene lamp burning 35 litres of gas at NTP per hour ?

A. 5
B. 10
C. 15
D. 20

Read More 1 kg of calcium carbide (CaC2) produces about 0.41 kg of acetylene gas on treatment with water. How many hours of service can be derived from 1 kg of calcium carbide in an acetylene lamp burning 35 litres of gas at NTP per hour ?
Stoichiometry

Cp equals Cv at________________?

Cp equals Cv at________________?

A. 0°C
B. 0°K
C. 0°F
D. 0°R

Read More Cp equals Cv at________________?
Stoichiometry

Solutions having the same osmotic pressure are called _____________ solutions?

Solutions having the same osmotic pressure are called _____________ solutions?

A. Dilute
B. Ideal
C. Isotonic
D. Saturated

Read More Solutions having the same osmotic pressure are called _____________ solutions?

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