वह तत्व, जो मानव पसीने के माध्यम से उत्सर्जित होता है, हैं-
The element(s) that is/are excreted through human sweat is/are:
Collection of verified questions for Apmarjak under General Science. Includes previous year exam questions with official answer keys and step-by-step solutions.
The element(s) that is/are excreted through human sweat is/are:
Soap removes grease by:
Detergents used for cleaning clothes are:
Assertion (A): Detergents easily remove oil and dirt from dirty clothes. Reason (R): Detergents increase the surface tension of water. Code:
What is a detergent?
Which of the following substances is used in making soap?
Consider the following statements: Assertion (A): Synthetic detergents can form more lather in hard water. Reason (R): Synthetic detergents form soluble calcium and magnesium salts with hard water. Code:
Consider the following statements: Sodium sulphate and sodium silicate are mixed into detergent washing powder in order to: 1. Keep the powder dry 2. Maintain the alkalinity of the powder Which of these statements is/are correct?