Related Questions

For the aldotetroses I-IV, the combination of true statements, among P-T, is
Basics of Organic Reaction Mechanism mcq question image
P = I and II are diastereomers and II and III are enantiomers
Q = I and IV are mesomers and are optically inactive
R = I and III can be interconverted by a base catalysed isomerisation
S = only I and IV are HlO4 cleavable
T = I and III are D-sugars and II and IV are L-sugars
Correct viscosity of furnace oil at the burner tip for proper atomisation is about 25 centistokes. To reduce the viscosity of high viscosity furnace oil (250 centistokes) to the correct atomisation viscosity (i.e. 25 cst), it should be preheated to about____°C.
What are suspending agents?
Alkali wash include which of the following compounds?
1. Washing Soda
2. Whiteners
3. Suspending agents
4. Sodium Hydroxide
Suspending settling solid particles and low viscosity bulk blending are examples of process that work well utilizing axial flow.
In Newton's law of viscosity, which states that the shear stress is proportional to the __________ co-efficient of viscosity is called dynamic or absolute viscosity (where, V = velocity, $${{\text{V}}_{\text{g}}}$$ = velocity gradient).
A list of pathogens (Group I) and a list of anti microbial agents (Group II) used to treat their infections are given below. Match the pathogens with the corresponding anti-microbial agents.
Statement: Air export volumes have increased substantially over the past decade causing backlogs and difficulties for air cargo agents because of increased demand for space and service.
Courses of action:
a. Airlines and air cargo agents should jointly work out a solution to combat the problem.
b. The reasons for the increase in the volume of air exports should be found out.
In each of the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if theyseem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements.
Statements:
I. Some cups are plates.
II. All spoons are blue.
III. No plates are spoon.
Conclusions:
I. Some cups are not spoon.
II. Some plates are not blue.
III. Some cups are not blue.
IV. Some blue are not plates.
Some pins are needles. Some needles are handles. Some handles are locks. Some locks are keys. Conclusions: I. Some keys are handles II.Some handles are pins III. Some pins are keys