A. 6.0
B. 6.5
C. 7.0
D.7.5
Milk fresh from the cow typically has a pH between 6.5 and 6.7. The pH of milk changes over time. As milk goes sour, it becomes more acidic and the pH gets lower. This occurs as bacteria in milk convert the sugar lactose into lactic acid
A. Oak tree
B. e tree
C. Birch tree
D. Lemon tree
Turpentine (also called spirit of turpentine, oil of turpentine, wood turpentine and colloquially turps) is a fluid obtained by the distillation of resin from live trees, mainly es. It is mainly used as a solvent and as a source of materials for organic synthesis.
A. Osmosis
B. Capillary action
C. Lowering of interfacial tension
D. Diffusion
A. Sodium sulphate
B. Sodium stearate
C. Sodium chloride
D. Sodium nitrate
A. Cast iron
B. Steel
C. Wrought iron
D. Stainless steel
A. Annealing
B. Quenching
C. Tempering
D. Nitriding
A. Azeotrope
B. Conjugate temperature
C. Consolute temperature
D. Eutectic point
A. Hydrogen
B. Chlorine
C. Hydrogen and Helium
D. Neon
A. Oil is very light
B. Oil is volatile
C. Diffusion of oil through the wick
D. Capillary action phenomenon
Capillary action (sometimes capillarity, capillary motion, capillary effect, or wicking) is the ability of a liquid to flow in narrow spaces without the assistance of, or even in opposition to, external forces like gravity