comprises of 6 questions of 2 marks each.
Section C comprises of 8 questions of 3 marks each.
Section D comprises of 6 questions of 4 marks each.
Section-A
Q-1 What is the name of acid present in vinegar?
Q-2 What is normal body temperature of human being in celcius?
Q-3 Write the name of base present in soap.
Q-4 What is the name of metal which is found in liquid state at room temperati
Q-5 The chemical name of baking soda is....... Sodium hydrogen cambor
Q-6 The average weather taken over the long time is called,
Q-7 Define galvanisation.
Q-8 What do you mean by conduction? Conduction is a procesi gel
Q-9 Which option best describes a tropical region?
Hot and humid
Moderate temperature, heavy rainfall
Cold and humid
Hot and dry
Q-10 What do you mean by Physical change?
Q-11 Define migration.
from one
Answers
Answer:
acetic acid
acetic acidThe average normal body temperature is generally accepted as 98.6°F (37°C). Some studies have shown that the "normal" body temperature can have a wide range, from 97°F (36.1°C) to 99°F (37.2°C)
acetic acidThe average normal body temperature is generally accepted as 98.6°F (37°C). Some studies have shown that the "normal" body temperature can have a wide range, from 97°F (36.1°C) to 99°F (37.2°C)Sodium Hydroxide
mercury (Hg)
mercury (Hg)A few elemental metals are liquid at or near room temperature. The most well known is mercury (Hg), which is molten above −38.8 °C (234.3 K, −37.9 °F
Sodium bicarbonate (IUPAC name: sodium hydrogen carbonate), commonly known as baking soda (especially in North America and New Zealand) or bicarbonate of soda, is a chemical compound with the formula NaHCO3.
The average weather taken over a long time is called climate.
Galvanisation or galvanization (or galvanizing as it is most commonly called) is the process of applying a protective zinc coating to iron or steel, to prevent rusting. The most common method is hot dip galvanizing, in which steel sections are submerged in a bath of molten zinc.
the transfer of energy by a medium without bulk movement of the medium itselfheat conduction,; electrical conduction,; sound conduction Compare convection (def. 1) the transmission of an electrical or chemical impulse along a nerve fibre. the act of conveying or conducting, as through a pipe
Hot and humid or moderate temperature and heavy rainfall describes a tropical region...
A physical change is a change to the physical—as opposed to chemical—properties of a substance. They are usually reversible. The physical properties of a substance include such characteristics as shape (volume and size), color, texture, flexibility, density, and mass.
migration, n.
migration, n.a. The movement of a person or people from one country, locality, place of residence, etc., to settle in another; an instance of this. ... Human beings have always moved from 'one country, locality, [and] place of residence to settle in another'.