The alkane compound with seven carbon atoms is:

The number of electrons shared in a single covalent bond is:

The triangle ABC above shows the angle of elevation of the top, B, of a tower, BC, from A, to be 30°. AB = 40 m. The length of BC is

Urea is made from surplus proteins in:

The active catalyst in a car′s catalytic converter is:

All of the following processes result in energy loss from an ecosystem EXCEPT for:

Which of the following nutrients is/are digested in the stomach?

The number 2549 written to 2 significant figures is

The marked price of a stove was $520. A worker bought the stove on hire-purchase by making a down payment of $100, and twelve monthly payments of $40 each.
How much could she have saved if she had bought the stove for the marked price?

When a metal wire carries an electric current, charges flow through it.The moving charges are:

The halogens are found in:

In the Venn diagram above, the shaded portion represents

$x is divided among three boys, Ryan, Keith and Andrew, in the ratio 2 : 3 : 7, respectively. If Andrew gets $15 more than Keith, what is the value of x ?

Which one of the following statements about a voltmeter is NOT true?

The following statements describe an ordinary mercury-in-glass laboratory thermometer. Which one of them is NOT true?

Which of the following is NOT a prime number?

Which one of the following statements about ∝ particles is NOT true?

To complete the reaction: acid + carbonate → salt + carbon dioxide + ?, we must add the word:

A liquid compound that conducts electricity is:

Instructions: Select the option A, B, C or D that BEST describe the sentence.

Seldom do people declare that they are not the products of their environment.