Science Day Quiz

The chemical used to clean windows is

• Calcium hydroxide

• Sodium hydroxide

• Ammonium hydroxide

• Magnesium hydroxide

Calcium hydroxide is also known as

• Slaked lime

• Quick lime

• Caustic soda

• Antacid

One cubic centimeter is also known as

• 1mm

• 1 ml

• 1 cm

• 1 m

Instrument used to measure the total distance covered by a vehicle in meter is

• Speedometer

• Odometer

• Volt meter

• Multimeter

The queen of drugs is said to be

• Penicillin

• Streptomycin

• Vancomycin

• Chloramphenicol

The strongest acid in the world is

• Sulphuric acid

• Hydrochloric acid

• Nitric acid

• Fluorosulphuric acid

In a group of students, 30% play only cricket, 20% play only football and 10% play only basketball. 20% of the students play both football and cricket, 15% play both basketball and cricket, 10% play both football and basketball. 15 students play no games, while 5% of the students play all three games. What is the total number of students?

• 300

• 250

• 350

• 400

Five persons A, B, C, D, and E are sitting in a row with C in the middle of the group. If D is at an extreme end and there are at least two persons between B and E, then which of the following statements is incorrect?

• E can be on extreme left

• E can be on extreme right

• A cannot be on extreme left

• A is always a neighbor of B or D

A leaf appears green in daylight. If this leaf were observed in red light, what colour would it appear to have?

• green

• black-brown

• red

• blue

Which of the following anti-satellite missile is tested by India on 27 March, 2019?

• Mission Antriksh

• Mission Gagan

• Mission Shakti

• Mission Destruction