Question
What is the length of the bridge which a man riding 21
km an hour can cross in 3 min.?Solution
Speed = 21km/hr , Time = 3 minutes = 3 × 60 = 180 seconds, Distance = ? Distance = Speed × Time = 21 × (5 )/18 × 180 = 1050 m
Pentane has _____ structural isomers.
Which of the Following is not the Ore of Aluminium ?
The green colour of the leaves is due to-
Which polymer is primarily used in making pipes and cable coatings?
What is the process called that forms a protective oxide layer on aluminum?
Hydrogen exhibits properties similar to which groups in the periodic table?
Which of the following is the sweetest sugar?
What type of substance is commonly used as a thermometric material due to its responsiveness to temperature changes?
What process is used to create a protective oxide layer on aluminum?
Which enzyme is derived from soybeans?