Everyday Science Test 15
Total Questions: 30
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A ) Converging lens
B ) Diverging lens ✅
C ) Simple lens
D ) None
A ) Above 20,000 vibrations per sec ✅
B ) Below 20,000 vibrations per sec
C ) Below 20 vibrations per sec
D ) None
A ) Man can hear
B ) Are of high velocity
C ) Man cannot hear ✅
D ) Are of high amplitude
A ) It's frequency
B ) It's various overtones ✅
C ) Longer wavelength
D ) All of these
A ) Good reflectors of sound
B ) Good transmitter of sound
C ) Good absorbers of sound ✅
D ) All the above
A ) 0.1 cm
B ) 0.01cm
C ) 0.001cm
D ) 1.0 cm ✅
A ) They have a better vision in the dark
B ) The pupils of their eyes are very big
C ) They are guided by ultrasonic waves produced by them ✅
D ) None
A ) Infrasonic
B ) Ultrasonic
C ) Supersonic ✅
D ) None
A ) Mach number ✅
B ) Decibel
C ) Hertz
D ) None
A ) Infinite in mangnitude
B ) Positive in sign ✅
C ) Negative in sign
D ) None
A ) Hydrochloric acid
B ) Boric acid
C ) Sulphuric acid ✅
D ) Carbonic acid
A ) Methane and Carbon dioxide
B ) Oxygen and Nitrogen
C ) Butane and Propane ✅
D ) Butane and methane
Explanation:
✅ Cooking gas is a mixture of: Butane and Propane
- Cooking gas is commonly known as LPG (Liquefied Petroleum Gas).
- It mainly consists of two hydrocarbons:
- ✅Butane (C₄H₁₀) ✅Propane (C₃H₈)
🔹 Properties of LPG:
- ✅Stored under pressure in liquid form
- ✅Easily vaporizes to gas when released
- ✅Highly flammable — used widely as cooking fuel.
A ) The gain of one or more electrons
B ) Loss of one or more electrons
C ) Acquiring the nearest inert gas configuration ✅
D ) Acquiring the nearest active gas configuration
A ) Iron
B ) Copper
C ) Mercury
D ) Water ✅
A ) Carbon dioxide
B ) Carbon monoxide
C ) Nitrogen dioxide
D ) Ammonia ✅
A ) Destructive distillation ✅
B ) Fractional distillation
C ) Oxidation
D ) Carbonation
A ) Eyes ✅
B ) Ears
C ) Nose
D ) Hands
A ) Cr
B ) Mn
C ) Zn ✅
D ) Ca
A ) Apple
B ) Grape ✅
C ) Mango
D ) Bananas
A ) Copper
B ) Lead ✅
C ) Aluminum
D ) Zinc
A ) White vegetables
B ) Green ✅
C ) Yellow
D ) Red
A ) Vitamin A ✅
B ) Vitamin B
C ) Vitamin C
D ) Vitamin D
A ) Vitamin A
B ) Vitamin B
C ) Vitamin C
D ) Vitamin D ✅
A ) Vitamin A
B ) Vitamin B
C ) Vitamin C
D ) Vitamin D ✅
A ) Vitamin A
B ) Vitamin B
C ) Vitamin C
D ) Vitamin D ✅
A ) Vitamin A
B ) Vitamin B
C ) Vitamin C ✅
D ) Vitamin D
A ) Vitamin A
B ) Vitamin B
C ) Vitamin C
D ) Vitamin E ✅
A ) Vitamin A
B ) Vitamin B
C ) Vitamin C
D ) Vitamin D ✅
A ) Vitamin A
B ) Vitamin B
C ) Vitamin C ✅
D ) Vitamin D
A ) A ✅
B ) D
C ) E
D ) C