Why milk is liquid at room temperature?

Answer:- Milk at room temperature is liquid because it has the following characteristics of liquid in room temperature . At room temperature milk has no shape it occupies the shape of the container in which it is kept .

What happens when milk is left at room temperature?

Complete answer: When milk is left at room temperature during the summer, it undergoes an oxidation reaction and microbe development, causing it to become sour. It also begins to break, which can be seen on the top of the vessel. Lactose is fermented and transformed into lactic acid by bacteria at room temperature.

Is a liquid at room temperature answer?

The only liquid elements at standard temperature and pressure are bromine (Br) and mercury (Hg). Although, elements caesium (Cs), rubidium (Rb), Francium (Fr) and Gallium (Ga) become liquid at or just above room temperature.

Which is not liquid in room temperature?

The element which is not a liquid at room temperature (30°C) is Ge. There are a total of six elements that can be liquids at actual room temperatures (20°C or 25°C)and pressures. At room temperature only two elements are liquids: Bromine (Br)

Why water is liquid at room temperature Class 9 Give 2 reasons?

a) water at room temperature is liquid because at this temperature (i)it has fixed volume and (ii)it can flow. (B) An iron almirah is solid at room temperature because at this temperature (i) it has definite shape along with fixed volume and (ii) It can not flow like water and hence does not possess fluidity.

Is milk a solid or a liquid Give two reasons?

Milk is called a liquid because of the following reasons : it has a no definite shape but have a definite mass and volume . it has a property ( Fluidity ) which gives it the tendency to flow. it is also compressible in nature.

Is milk still good if left out for 3 hours?

In general, perishable foods like milk should not sit out of the refrigerator or cooler for longer than two hours. Cut that time down to an hour in the summer if the temperature reaches 90 degrees F. After that time frame, bacteria can start to grow.

Can you drink milk that’s been left out overnight?

If milk is left out of the fridge for an extended period of time it can become a food-safety issue. According to the US Food and Drug Administration, refrigerated foods, including milk, should never be out of the fridge at room temperature for longer than two hours.

Why water is liquid at room temperature class 9?

Ans. (a) Water at room temperature is a liquid because its freezing point is 0 °C and boiling point is 100 °C. (c) An iron almirah is a solid at room temperature because melting point of iron is higher than room temperature.

Which is liquid at room temperature class 8?

Water is liquid at room temperature.

Which element has no liquid state?

Br. Hg.

Which are liquid room temperature?

The only liquid elements at standard temperature and pressure are Bromine (Br) and Mercury (Hg). Although, elements Caesium (Cs), Rubidium(Rb), Francium (Fr) and Gallium (Ga) become liquid at or just above room temperature.