Categories
Every Day Science

Which one of the following is an alkali?

A:  Water
B:  Vinergar
C:  Lemon juice
D:  Slaked lime

 

Categories
Every Day Science

The temperature of liquid Nitrogen is

A:  -32c
B:  -80c
C:  -100c
D:  –196c

 

Categories
Every Day Science

Boiling of an egg is a change which is

A:  Physical
B:  Chemical
C:  Physiological
D:  Morphological

 

Categories
Every Day Science

The building blocks of elements are called

A:  Atoms
B:  Molecules
C:  Compounds
D:  Isotopes

 

Categories
Every Day Science

Ice can be changed into water by

A:  Adding more water molecules
B:  Changing the motion of water molecules
C:  Rearranging the atoms in water molecules
D:  Destroying the atoms in water molecules

 

Categories
Every Day Science

Which one of the following statements is true?

A:  Gases do not conducts heat
B:  The best conductors are non-metals
C:  Conduction current occurs only in liquids
D:  None of the statements is true

 

Categories
Every Day Science

The density of water is greatest at

A:  -30C
B:   OC
C:   4C
D:   100C

 

Categories
Every Day Science

The most suitable thermometer for measuring the boiling point of water is

A:  Mercury thermometer
B:  Alcohol thermometer
C:  Bimetallic thermometer
D:  Liquid crystal thermometer

 

Categories
Every Day Science

Light from the sun travels a distance before it reaches the Earth

A:  50 million Km
B:  100 million Km
C:  150 million Km
D:  200 million Km

 

Categories
Every Day Science

The time light takes from the sun to reach Earth is

A:  8 minutes
B:  25 minutes
C:  45 minutes
D:  48 minutes